• JAC J-M Muff Coupling (Bore 25-120 mm, Split Clamp)
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JAC J-M Muff Coupling (Bore 25-120 mm, Split Clamp)

JAC J-M Muff Coupling (Bore 25-120 mm, Split Clamp)

Rigid split-clamp coupling that transmits torque through clamping friction and a key. Easy to fit and remove without moving shafts, with zero backlash.

Key features

  • Split design for easy assembly and shaft removal
  • Rigid fixed type with no backlash
  • Clamp plus key for high torque transmission
  • Keyways to KS and JIS standards
  • For cranes, conveyors, mixers, sluice gates, water treatment and line shafts

Specifications

Sizes J-M25 to J-M120
Bore range 25 - 120 mm (H8)
Torque range 22 - 1,100 kg-m
Keyway KS / JIS standard (js9)
Type Rigid split clamp
Unit mm, kg-m
Source JAC Couplings Muff Coupling catalogue
J-M25 Bore: 25 mm H8 | Outside dia: 50 mm | Length: 88 mm | Torque: 22 kg-m
J-M30 Bore: 30 mm H8 | Outside dia: 60 mm | Length: 105 mm | Torque: 30 kg-m
J-M35 Bore: 35 mm H8 | Outside dia: 70 mm | Length: 120 mm | Torque: 40 kg-m
J-M40 Bore: 40 mm H8 | Outside dia: 80 mm | Length: 140 mm | Torque: 55 kg-m
J-M45 Bore: 45 mm H8 | Outside dia: 90 mm | Length: 160 mm | Torque: 70 kg-m
J-M50 Bore: 50 mm H8 | Outside dia: 100 mm | Length: 176 mm | Torque: 95 kg-m
J-M55 Bore: 55 mm H8 | Outside dia: 110 mm | Length: 180 mm | Torque: 120 kg-m
J-M60 Bore: 60 mm H8 | Outside dia: 120 mm | Length: 184 mm | Torque: 150 kg-m
J-M65 Bore: 65 mm H8 | Outside dia: 130 mm | Length: 200 mm | Torque: 205 kg-m
J-M70 Bore: 70 mm H8 | Outside dia: 140 mm | Length: 214 mm | Torque: 245 kg-m
J-M75 Bore: 75 mm H8 | Outside dia: 150 mm | Length: 240 mm | Torque: 300 kg-m
J-M80 Bore: 80 mm H8 | Outside dia: 160 mm | Length: 264 mm | Torque: 360 kg-m
J-M85 Bore: 85 mm H8 | Outside dia: 178 mm | Length: 278 mm | Torque: 435 kg-m
J-M90 Bore: 90 mm H8 | Outside dia: 180 mm | Length: 292 mm | Torque: 530 kg-m
J-M95 Bore: 95 mm H8 | Outside dia: 190 mm | Length: 300 mm | Torque: 615 kg-m
J-M100 Bore: 100 mm H8 | Outside dia: 200 mm | Length: 320 mm | Torque: 690 kg-m
J-M110 Bore: 110 mm H8 | Outside dia: 210 mm | Length: 360 mm | Torque: 900 kg-m
J-M120 Bore: 120 mm H8 | Outside dia: 279 mm | Length: 410 mm | Torque: 1,100 kg-m
Shaft CouplingJAC
18 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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JAC J-M Muff Coupling (Bore 25-120 mm, Split Clamp)

Brand JAC·Shaft Coupling

Available part numbers (18)

J-M25, J-M30, J-M35, J-M40, J-M45, J-M50, J-M55, J-M60, J-M65, J-M70 + 8 more — see full table ↓

How to order

Send the JAC part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
J-M25Bore: 25 mm H8 | Outside dia: 50 mm | Length: 88 mm | Torque: 22 kg-m
J-M30Bore: 30 mm H8 | Outside dia: 60 mm | Length: 105 mm | Torque: 30 kg-m
J-M35Bore: 35 mm H8 | Outside dia: 70 mm | Length: 120 mm | Torque: 40 kg-m
J-M40Bore: 40 mm H8 | Outside dia: 80 mm | Length: 140 mm | Torque: 55 kg-m
J-M45Bore: 45 mm H8 | Outside dia: 90 mm | Length: 160 mm | Torque: 70 kg-m
J-M50Bore: 50 mm H8 | Outside dia: 100 mm | Length: 176 mm | Torque: 95 kg-m
J-M55Bore: 55 mm H8 | Outside dia: 110 mm | Length: 180 mm | Torque: 120 kg-m
J-M60Bore: 60 mm H8 | Outside dia: 120 mm | Length: 184 mm | Torque: 150 kg-m
J-M65Bore: 65 mm H8 | Outside dia: 130 mm | Length: 200 mm | Torque: 205 kg-m
J-M70Bore: 70 mm H8 | Outside dia: 140 mm | Length: 214 mm | Torque: 245 kg-m
J-M75Bore: 75 mm H8 | Outside dia: 150 mm | Length: 240 mm | Torque: 300 kg-m
J-M80Bore: 80 mm H8 | Outside dia: 160 mm | Length: 264 mm | Torque: 360 kg-m
J-M85Bore: 85 mm H8 | Outside dia: 178 mm | Length: 278 mm | Torque: 435 kg-m
J-M90Bore: 90 mm H8 | Outside dia: 180 mm | Length: 292 mm | Torque: 530 kg-m
J-M95Bore: 95 mm H8 | Outside dia: 190 mm | Length: 300 mm | Torque: 615 kg-m
J-M100Bore: 100 mm H8 | Outside dia: 200 mm | Length: 320 mm | Torque: 690 kg-m
J-M110Bore: 110 mm H8 | Outside dia: 210 mm | Length: 360 mm | Torque: 900 kg-m
J-M120Bore: 120 mm H8 | Outside dia: 279 mm | Length: 410 mm | Torque: 1,100 kg-m

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