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MOUNTSHAFT018E

Manaras Limit Shaft Kit For Damp/Corrosive Env.

  • For operators with W or C Modification
CB31605000-KOR

Cable 3/16" 7x19 5000' Galvanized Supreme ** Price on request

  • Galvanized cable 3/16" 7x19 5000ft spool.
  • Cable break strength: 4200 lbs
  • A higher quality cable compared to the Chinese cable
  • Meets endurance test requirements of over 35000 work cycles
  • Lubricated for flexability and longer service life
29150

Doorlec Transformer 600Vpr 120V sec. 50VA

PRO-GH-10081U-R

Micanan 1 HP 208V 1P Gearhead Operator N1 Eyes Monitored ECB Right Hand

  • Includes 3-btn O/C/S control station Nema 1
  • External radio control terminal strip
  • Heavy duty worm gear reduction in oil bath gearbox
  • Solenoid brake standard
  • #50 roller chain and sprockets on final drive
  • Emergency chain hoist with electrical cut-out switch for manual operation
  • .......more details
MODKIT012B

Manaras Non-Reset Cycle Counter Kit - Boards

  • Field install kit
  • When activated counts one complete cycle of the door
  • Hardwired
ME00054

Micanan Clutch (Input) Shaft Only for Pro-H/HHD N4 3/4" x 17-5/8" (3/4 HP-1 HP)

  • 3/4" x 17-5/8"
PRO-APTC-5083-U

Micanan 1/2HP 208V 3P Apartment Trolley Op. Photo Eyes Monitored ECB

  • Low clearance design for APT applications (8.5")
  • Door speed: 7" per second
  • N-4 Micanan compatible monitored photocells included
  • Monitored board
  • Side access hinged cover for easy access to controls
  • Three button open-close-stop control station Nema-1
  • .......more details
PRO-APTC-5011-U

Micanan 1/2HP 115V 1P Apartment Trolley Op. Photo Eyes Monitored ECB

  • Low clearance design for APT applications (8.5")
  • Door speed: 7" per second
  • N-4 Micanan compatible monitored photocells included
  • Monitored board
  • Side access hinged cover for easy access to controls
  • Three button open-close-stop control station Nema-1
  • .......more details
2807.171.200

Whiting Spring Assby .171 x 2-3/16 x 20" L Curbside

  • Replacement torsion spring with cones
  • Specs: .171 x 2-3/16" x 20" Long
  • For Roadside order part # 2806.171.200
MH00096

Micanan Flange Bearing 3/8" ID

  • Replaces MH00019
V7001-BLACK

Replacement Vinyl Only for 7001-Black 200ft Roll

  • Sold in 200 ft rolls only
1005-1-3/8-8'

Aluminum Bottom Retainer U-Shaped 8' Long

  • For door thickness 1-3/8"
.262-258-L

Cut-to-Length Torsion Spring .262 x 2-5/8" Left Hand Wound Red/Yellow

  • Priced per inch - cones sold seperately
  • For factory installed cones use part no. C-258-INSTALLED
GOFF-G2-LITE-3000

Goff High Performance Door Made to Order

  • Custom made to spec
MD-00348

Sprocket 50B26 x 1" 1/4" KW 2SS

SETR2641AM2K

Erone 2-Channel Mini Transmitter Black 433MHz

  • Heavy-duty construction
  • Elegant & easy to carry
  • Unobstructed range: 656 ft (200m)
  • 60 x 36 x 16mm (2.35 x 1.4 x 0.6in)
  • Two lithium batteries (CR2016) included
SPRING009

Manaras Clutch Spring 5/8"

.235-3.25-11.5-LHW

Mini Storage Spring .235 x 3.25" x 11.5" long Left Hand

.437-6-R-C

Cut-to-Length Torsion Spring .437 x 6" Right Hand Wound Coated ** Price by Quote Only

  • Priced per inch - cones sold seperately
  • For factory installed cones use part no. C-600-INSTALLED
.437-514-L-C

Cut-to-Length Torsion Spring .437 x 5-1/4" Left Hand Wound Coated ** Price by Quote Only

  • Priced per inch - cones sold seperately
  • For factory installed cones use part no. C-514-INSTALLED
.421-514-R-C

Cut-to-Length Torsion Spring .421 x 5-1/4" Right Hand Wound Coated ** Price by Quote Only

  • Priced per inch - cones & filler sold seperately
  • For factory installed cones use part no. C-514-INSTALLED
.406-514-R-C

Cut-to-Length Torsion Spring .406 x 5-1/4" Right Hand Wound Coated ** Price by Quote Only

  • Priced per inch - cones & filler sold seperately
  • For factory installed cones use part no. C-514-INSTALLED
.375-514-L-C

Cut-to-Length Torsion Spring .375 x 5 1/4" Left Hand Wound. Coated ** Price by Quote Only

  • Priced per inch - cones sold seperately
  • For factory installed cones use part no. C-514-INSTALLED
.363-514-L-C

Cut-to-Length Torsion Spring .362 x 5-1/4" Left Hand Wound Coated ** Price by Quote Only

  • Priced per inch - cones sold separately
  • For factory installed cones use part no. C-514-INSTALLED
.331-6-R-C

Cut-to-Length Torsion Spring .331 x 6" Right Hand Wound Coated ** Price by Quote Only

  • Priced per inch - cones and filler sold seperately
  • For factory installed cones use part no. C-600-INSTALLED
  • For spring filler use part no. SPRING-FILLER
.306-6-L-C

Cut-to-Length Torsion Spring .306 x 6" Left Hand Wound Coated ** Price by Quote Only

  • Priced per inch - cones sold seperately
  • For factory installed cones use part no. C-600-INSTALLED
.306-334-L-C

Cut-to-Length Torsion Spring .306 x 3-3/4" Left Hand Wound Coated ** Price by Quote Only

  • Priced per inch - cones sold seperately
  • For factory installed cones use part no. C-375-INSTALLED
.295-2-R-C

Cut-to-Length Torsion Spring .295 x 2" Right Hand Wound Coated ** Price by Quote Only

  • Priced per inch - cones sold seperately
  • For factory installed cones use part no. C-200-INSTALLED
.295-134-L-C

Cut-to-Length Torsion Spring .295 x 1-3/4" Left Hand Wound Coated ** Price by Quote Only

  • Priced per inch - cones sold seperately
  • For factory installed cones use part no. C-134-INSTALLED
.283-2-L-C

Cut-to-Length Torsion Spring .283 x 2" Left Hand Wound Coated ** Price by Quote Only

  • Priced per inch - cones sold seperately
  • For factory installed cones use part no. C-200-INSTALLED
.262-334-L-C

Cut-to-Length Torsion Spring .262 x 3-3/4" Left Hand Wound Coated ** Price by Quote Only

  • Priced per inch
  • For factory installed cones priced seperately - use part no. C-375-INSTALLED
.262-2-L-C

Cut-to-Length Torsion Spring .262 x 2" Left Hand Wound Coated ** Price by Quote Only

  • Priced per inch - cones sold seperately
  • For factory installed cones use part no. C-200-INSTALLED
.250-334-L-C

Cut-to-Length Torsion Spring .250 x 3-3/4" Left Hand Wound Coated ** Price by Quote Only

  • Priced per inch
  • For factory installed cones priced seperately - use part no. C-375-INSTALLED
.250-2-R-C

Cut-to-Length Torsion Spring .250 x 2" Right Hand Wound Coated ** Price by Quote Only

  • Priced per inch - cones sold seperately
  • For factory installed cones use part no. C-200-INSTALLED
.243-258-R-C

Cut-to-Length Torsion Spring .243 x 2-5/8" Right Hand Wound Coated ** Price by Quote Only

  • Priced per inch - cones sold seperately
  • For factory installed cones use part no. C-258-INSTALLED
.234-258-R-C

Cut-to-Length Torsion Spring .234 x 2-5/8" Right Hand Wound Coated ** Price by Quote Only

  • Priced per inch - cones sold seperately
  • For factory installed cones use part no. C-258-INSTALLED
.234-134-R-C

Cut-to-Length Torsion Spring .234 x 1-3/4" Right Hand Wound Coated ** Price by Quote Only

  • Priced per inch - cones sold seperately
  • For factory installed cones use part no. C-134-INSTALLED
.218-134-R-C

Cut-to-Length Torsion Spring .218 x 1-3/4" Right Hand Wound Coated ** Price by Quote Only

  • Priced per inch - cones sold seperately
  • For factory installed cones use part no. C-134-INSTALLED
.218-134-L-C

Cut-to-Length Torsion Spring .218 x 1-3/4" Left Hand Wound Coated ** Price by Quote Only

  • Priced per inch - cones sold seperately
  • For factory installed cones use part no. C-134-INSTALLED
.207-258-R-C

Cut-to-Length Torsion Spring .207 x 2-5/8" Right Hand Wound Coated ** Price by Quote Only

  • Priced per inch - cones sold seperately
  • For factory installed cones use part no. C-258-INSTALLED
.207-134-R-C

Cut-to-Length Torsion Spring .207 x 1-3/4" Right Hand Wound Coated ** Price by Quote Only

  • Priced per inch - cones sold seperately
  • For factory installed cones use part no. C-134-INSTALLED
PRO-GH-7583U-L

Micanan 3/4HP 208V 3P Gearhead Operator N1 Eyes Monitored ECB Left Hand

  • Includes 3-btn O/C/S control station Nema 1
  • External radio control terminal strip
  • Heavy duty worm gear reduction in oil bath gearbox
  • Solenoid brake standard
  • #50 roller chain and sprockets on final drive
  • Emergency chain hoist with electrical cut-out switch for manual operation
  • .......more details
PRO-GH-7581U-R

Micanan 3/4HP 208V 1P Gearhead Operator N1 Eyes Monitored ECB Right Hand

  • Includes 3-btn O/C/S control station Nema 1
  • External radio control terminal strip
  • Heavy duty worm gear reduction in oil bath gearbox
  • Solenoid brake standard
  • #50 roller chain and sprockets on final drive
  • Emergency chain hoist with electrical cut-out switch for manual operation
  • .......more details
PRO-GH-5053U-L

Micanan 1/2HP 575V 3P Gearhead Operator N1 Eyes Monitored ECB Left Hand

  • Includes 3-btn O/C/S control station Nema 1
  • External radio control terminal strip
  • Heavy duty worm gear reduction in oil bath gearbox
  • Solenoid brake standard
  • #50 roller chain and sprockets on final drive
  • Emergency chain hoist with electrical cut-out switch for manual operation
  • .......more details
PRO-GH-5023U-R

Micanan 1/2HP 230V 3P Gearhead Operator N1 Eyes Monitored ECB Right Hand

  • Includes 3-btn O/C/S control station Nema 1
  • External radio control terminal strip
  • Heavy duty worm gear reduction in oil bath gearbox
  • Solenoid brake standard
  • #50 roller chain and sprockets on final drive
  • Emergency chain hoist with electrical cut-out switch for manual operation
  • .......more details
PRO-HHD-5053U-L

Micanan 1/2HP 575V 3P Heavy-Duty Jackshaft N1 Eyes Monitored ECB Left Hand

  • 1/2 HP575V 3PH Industrial Continuous Duty Jackshaft Operator Ideal for Sectional Doors Rolling Steel
  • Monitored logic board with integral 372Mhz radio receiver that can hold up to 20 transmitters (MK-00647/ MK-00653/ MK-00659) or 200 of the 1 channel hand held transmitters (MK-00660).
  • N-1 Through-beam (MK-00649) photocells included. Other options available.
  • 3-btn O/S/C (02-103) wall control station included
  • Adjustable Friction Clutch 5L320 drive belt
  • #50 Roller chain 18 tooth door sprocket included
  • .......more details
PRO-HHD-5023U-L

Micanan 1/2HP 230V 3P Heavy-Duty Jackshaft N1 Eyes Monitored ECB Left Hand

  • 1/2 HP230V 3PH Industrial Continuous Duty Jackshaft Operator Ideal for Sectional Doors Rolling Steel
  • Monitored logic board with integral 372Mhz radio receiver that can hold up to 20 transmitters (MK-00647/ MK-00653/ MK-00659) or 200 of the 1 channel hand held transmitters (MK-00660).
  • N-1 Through-beam (MK-00649) photocells included. Other options available.
  • 3-btn O/S/C (02-103) wall control station included
  • Adjustable Friction Clutch 5L320 drive belt
  • #50 Roller chain 18 tooth door sprocket included
  • .......more details
PRO-HHD-5081U-R

Micanan 1/2HP 208V 1P Heavy-Duty Jackshaft N1 Eyes Monitored ECB Right Hand

  • 1/2 HP208V 1 PH Industrial Continuous Duty Jackshaft Operator Ideal for Sectional Doors Rolling Steel
  • Monitored logic board with integral 372Mhz radio receiver that can hold up to 20 transmitters (MK-00647/ MK-00653/ MK-00659) or 200 of the 1 channel hand held transmitters (MK-00660).
  • N-1 Through-beam (MK-00649) photocells included. Other options available.
  • 3-btn O/S/C (02-103) wall control station included
  • Adjustable Friction Clutch 5L320 drive belt
  • #50 Roller chain 18 tooth door sprocket included
  • .......more details
PRO-HB-5038U-LH

Micanan 1/2HP 380V 3P Hoist Op. with Brake N1 Eyes Monitored ECB Left Hand

  • Continuous duty belt drive jackshaft operator with emergency chain hoist
  • Full function Smart 10.0 Logic control board featuring on-board receiver with antenna
  • Nema 1 photoeyes included
  • Solenoid brake included
  • On-Board receiver holds up to 20 transmitters
PRO-HB-5025U-LH

Micanan 1/2HP 220V 1P Hoist Op. with Brake N1 Eyes Monitored ECB Left Hand

  • Continuous duty belt drive jackshaft operator with emergency chain hoist
  • Full function Smart 10.0 Logic control board featuring on-board receiver with antenna
  • Nema 1 photoeyes included
  • Solenoid brake included
  • On-Board receiver holds up to 20 transmitters
PRO-HB-5023U-LH

Micanan 1/2HP 230V 3P Hoist Op. with Brake N1 Eyes Monitored ECB Left Hand

  • Continuous duty belt drive jackshaft operator with emergency chain hoist
  • Full function Smart 10.0 Logic control board featuring on-board receiver with antenna
  • Nema 1 photoeyes included
  • Solenoid brake included
  • On-Board receiver holds up to 20 transmitters
PRO-HB-5021U-RH

Micanan 1/2HP 230V 1P Hoist Op. with Brake N1 Eyes Monitored ECB Right Hand

  • Continuous duty belt drive jackshaft operator with emergency chain hoist
  • Full function Smart 10.0 Logic control board featuring on-board receiver with antenna
  • Nema 1 photoeyes included
  • Solenoid brake included
  • On-Board receiver holds up to 20 transmitters
PRO-HB-5021U-LH

Micanan 1/2HP 230V 1P Hoist Op. with Brake N1 Eyes Monitored ECB Left Hand

  • Continuous duty belt drive jackshaft operator with emergency chain hoist
  • Full function Smart 10.0 Logic control board featuring on-board receiver with antenna
  • Nema 1 photoeyes included
  • Solenoid brake included
  • On-Board receiver holds up to 20 transmitters
PRO-HB-5081U-LH

Micanan 1/2HP 208V 1P Hoist Op. with Brake N1 Eyes Monitored ECB Left Hand

  • Continuous duty belt drive jackshaft operator with emergency chain hoist
  • Full function Smart 10.0 Logic control board featuring on-board receiver with antenna
  • Nema 1 photoeyes included
  • Solenoid brake included
  • On-Board receiver holds up to 20 transmitters
PRO-H-7538-U-RH

Micanan 3/4HP 380V 3P Hoist Operator N1 Eyes Monitored ECB Right Hand

  • Continuous duty belt drive jackshaft operator with emergency chain hoist
  • Full function Smart 10.0 Logic control board featuring on-board receiver with antenna
  • Nema 1 photoeyes included
  • Solenoid brake OPTIONAL
PRO-H-7543-U-RH

Micanan 3/4HP 460V 3P Hoist Operator N1 Eyes Monitored ECB Right Hand

  • Continuous duty belt drive jackshaft operator with emergency chain hoist
  • Full function Smart 10.0 Logic control board featuring on-board receiver with antenna
  • Nema 1 photoeyes included
  • Solenoid brake OPTIONAL
PRO-H-7523-U-RH

Micanan 3/4HP 230V 3P Hoist Operator N1 Eyes Monitored ECB Right Hand

  • Continuous duty belt drive jackshaft operator with emergency chain hoist
  • Full function Smart 10.0 Logic control board featuring on-board receiver with antenna
  • Nema 1 photoeyes included
  • Solenoid brake OPTIONAL
PRO-H-7543-U-LH

Micanan 3/4HP 460V 3P Hoist Operator N1 Eyes Monitored ECB Left Hand

  • Continuous duty belt drive jackshaft operator with emergency chain hoist
  • Full function Smart 10.0 Logic control board featuring on-board receiver with antenna
  • Nema 1 photoeyes included
  • Solenoid brake OPTIONAL
PRO-H-5081-U-LH

Micanan 1/2HP 208V 1P Hoist Operator N1 Eyes Monitored ECB Left Hand

  • Continuous duty belt drive jackshaft operator with emergency chain hoist
  • Full function Smart 10.0 Logic control board featuring on-board receiver with antenna
  • Nema 1 photoeyes included
  • Solenoid brake OPTIONAL
  • On-Board receiver holds up to 20 transmitters
821LMB

LiftMaster MyQ Garage Universal Smartphone Garage Door Controller Second Generation *** To extent of Inventory. Repl 821LMC-S

  • Enables smartphone control of most major brands of garage door opener with photoeyes.
  • Includes Wi-Fi hub and door sensor
K72-19974-RB

LiftMaster Output Shaft & Sprocket

  • Kit includes: Output shaft sprocket assembly dual sprocket 32/14 sprocket 48B18x1 sprocket 50B12x1 ring washer key set screw roll pin and thin walled receivers
CP-SH-34-1712-EXP

Lynx Clutch Shaft Assembly for Explosion-Proof HDC Operators

  • Modified for explosion-proof operators
  • 3/4" x 22 x 3-1/2" thread
SETR2681AM2K

Erone 2-Channel Mini Transmitter 868MHz

MK-00046

Micanan Overload Reset 1-Phase 20 Amps

MK-00139

Micanan Overload Reset 3-Phase 0.8 - 1.2 Amps

MK-00043

Micanan Overload Reset 1-Phase 15 Amps

MK-00044

Micanan Overload Reset 1-Phase 17 Amps

MK-00523

Micanan Reversing Contactor ABB Size 1 24V w/Interlock

  • LC2K1210B7 mini contactor
MK-00140

Micanan Reversing Relay 24VDC Coil DPDT (Flange Mount)

  • 8-pin
MK-00562

Micanan Relay 120 VAC 8-Pin Plug-In

MK-01179

Micanan Telemecanique Contactor Kit 24V **use code MK-00493

  • LC2K1210B7 mini contactor
MK-00175

Micanan Transformer 200V-110V-100VA

MK-00057

Micanan Transformer 460V-115V-50VA

MV-00214

Micanan Tele 8" Wand (For Utility Switch)

MP-00077

Micanan Heavy Duty Front Idler (Trolley End Bracket) #41 w/Pillow Blocks

MV-00029

Micanan 110V Commercial Receiver NEMA-4 CR32E-110V

MK-00300

Micanan Time Delay on Reverse 0.5 sec. 24/110V

  • In closing cycle door will stop for 0.5 seconds and reverse to fully open
MK-00059

Micanan Timer 7 Day/24hr Economical

PRO-PANEL

Micanan Custom Panel

  • Made according to customer's requirements
MV-00237

Micanan Key Switch O/C/S Btn Tamper Proof w/Best Core Cylinder Nema 4 Surface Mount

MK-00785

Micanan 3-btn O/C/S Nema-7/9 Pushbutton Control Station

  • Surface mount
  • Killark
MV-00006

Micanan 3-btn O/C/S w/Key Lock-Out Nema-1 Pushbutton Control Station

  • Flush mount
MV-00004

Micanan 2-btn O/C Nema-1 Pushbutton Control Station

  • Flush mount
MK-00428

Micanan Reversing Relay 24VAC Coil 3-Pole TPDT 11-Pin Flange Mount

  • For PRO-LTB LJ LH LHAB
1005-1-3/8-12'

Aluminum Bottom Retainer U-Shaped 12' Long

  • For door thickness 1-3/8"
SD105L5-RH

LiftMaster Heavy-Duty Slide Door Operator 1 HP 575V 3PH Right Hand (Must include hardware box)

  • Perfect for split and sliding doors involved with industrial applications.
  • It is installed above the door and corresponds with the direction the door will be traveling.
  • Comes equipped with an emergency disconnect and for manual lifting in an emergency and automatic reconnect.
  • The new logic 5 commercial operators come with MyQ Technology built in. * 828LM required
  • Built In Security+ 2.0 radio receiver
  • Solenoid brake included
  • .......more details
HAML-WIRING-HARNESS

GDI Wiring Harness Length Per Foot G3343

  • If over 10' is required
HAML-MOUNTING-BRKT

GDI Side Mounting Bracket N/C When Ordered w/Operator

ME110-C

Miller Edge PVC Mounting Channel Sold by the Foot

  • 7/8" length
50740

Doorlec On/Off Switch 575V 3Ph Gate Op

  • 20amp
PRO-J-10083-U-LH

Micanan 1HP 208V 3P Jackshaft Monitored ECB N1 Eyes Left Hand

  • On board receiver with antenna
  • Continuous duty industrial motor with overload protection
  • Heavy duty 5L V-belt
  • Adjustable friction clutch
  • Solenoid brake (optional PRO-JB) recommended for large doors
  • 3/4" permanently lubricated & sealed precision ball bearings on pulley shaft
  • .......more details
PRO-J-10081-U-RH

Micanan 1HP 208V 1P Jackshaft Monitored ECB N1 Eyes Right Hand

  • On board receiver with antenna
  • Continuous duty industrial motor with overload protection
  • Heavy duty 5L V-belt
  • Adjustable friction clutch
  • Solenoid brake (optional PRO-JB) recommended for large doors
  • 3/4" permanently lubricated & sealed precision ball bearings on pulley shaft
  • .......more details
.421-6-L

Cut-to-Length Torsion Spring .421 x 6" Left Hand Wound Gold

  • Priced per inch - cones & filler sold seperately
  • For factory installed cones use part no. C-600-INSTALLED
.406-514-R

Cut-to-Length Torsion Spring .406 x 5-1/4" Right Hand Wound Blue/Yellow

  • Priced per inch - cones & filler sold seperately
  • For factory installed cones use part no. C-514-INSTALLED
.312-514-L

Cut-to-Length Torsion Spring .312 x 5-1/4" Left Hand Wound Yellow

  • Priced per inch - cones sold seperately
  • For factory installed cones use part no. C-514-INSTALLED
PRO-J-7523-U-LH

Micanan 3/4HP 230V 3P Jackshaft Monitored ECB N1 Eyes Left Hand

  • On board receiver with antenna
  • Continuous duty industrial motor with overload protection
  • Heavy duty 5L V-belt
  • Adjustable friction clutch
  • Solenoid brake (optional PRO-JB) recommended for large doors
  • 3/4" permanently lubricated & sealed precision ball bearings on pulley shaft
  • .......more details
2X4PO50

Devanco Loop 2' x 4' pave-over 50' lead-in

  • Ideal for use on with gravel driveways or surfaces that are to be asphalted
  • Features a twisted lead-in to reduce the chances of interference and false detections.
  • Direct burial loops should be buried approximately 6" deep
PRO-J-7583-U-LH

Micanan 3/4HP 208V 3P Jackshaft Monitored ECB N1 Eyes Left Hand

  • On board receiver with antenna
  • Continuous duty industrial motor with overload protection
  • Heavy duty 5L V-belt
  • Adjustable friction clutch
  • Solenoid brake (optional PRO-JB) recommended for large doors
  • 3/4" permanently lubricated & sealed precision ball bearings on pulley shaft
  • .......more details
PRO-J-7511-U-RH

Micanan 3/4HP 115V 1P Jackshaft Monitored ECB N1 Eyes Right Hand

  • On board receiver with antenna
  • Continuous duty industrial motor with overload protection
  • Heavy duty 5L V-belt
  • Adjustable friction clutch
  • Solenoid brake (optional PRO-JB) recommended for large doors
  • 3/4" permanently lubricated & sealed precision ball bearings on pulley shaft
  • .......more details
PRO-J-5081-U-RH

Micanan 1/2HP 208V 1P Jackshaft Monitored ECB N1 Eyes Right Hand

  • On board receiver with antenna
  • Continuous duty industrial motor with overload protection
  • Heavy duty 5L V-belt
  • Adjustable friction clutch
  • Solenoid brake (optional PRO-JB) recommended for large doors
  • 3/4" permanently lubricated & sealed precision ball bearings on pulley shaft
  • .......more details