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2429694

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Kop-Flex 254 KD 21 SS500 FB (Rexnord PN 2429694) Size 254 KD Disc Coupling, Style KD21, with 5.00" short spacer and finished bore. 7.62" outside diameter, 3.75" max bore, maintenance-free non-lubricated design. Double-engagement disc coupling for reliable torque transmission in industrial drivetrains.

MODEL 2429694

BRAND

KOP-FLEX

SKU

2294176

WEIGHT

61.856 lb

UOM

each

UPC

662384153415

Contact supplier for technical support on: 800-626-2120

$4,012.72 Each

Prices are subject to change

FREE SHIPPING ON ORDERS OVER $100

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Typically Ships in: 1 day

Returnable:No

Axial Capacity (+/-)

0.14

Bore Range (in)

1 to 3.75

Bore Size Max

3.75

Bore Size Min

1

Bore Type

Finished Bore

Configuration

2 standard hubs

Coupling Size

254

Coupling Type

Disc Coupling

Disc Coupling Type

Spacer Coupling

Disc Shape

Scalloped

Hub Diameter (in)

5.34

Hub Material

Carbon steel

Length Through Bore (in)

3

Length Through Bore standard hub (in)

3

Lube/Non-Lube

Non-Lubricated

Max Torque (ft-lb)

8667

Measurement System

Imperial

OD

7.62

Rating HP @ 100 RPM

82.5

Speed Max (rpm)

11200

Stock C Dimension

5

Style

KD21

Torque Rating (in-lb)

52000

Total Length (One Hub Reverse) (in)

Total Length (One Hub Reverse) (in)

Total Length (Std Hub Post) (in)

11

Total WR2 (lb-in2)

336

  • Spacer coupling with economical 3-component design.
  • Unitized Disc Packs for ease of maintenance, replaceable without moving the connected equipment.
  • HT (High Torque) disc packs for medium and heavy duty applications.
  • Meet AGMA Class 9 balance off the shelf. Balance to AGMA 10, or compliance with API610 are available options.

Instruction Sheet
3D Drawing IGES
Catalog Page

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Kop-Flex 103 KD21 SS500 FB (Rexnord PN 2429629) Size 103 KD Disc Coupling, Style KD21, 5.00" spacer, finished bore, 1.75" max bore. Non-lubricated double-engagement disc coupling provides maintenance-free operation with zero backlash and high torsional stiffness. Ideal for applications requiring precise shaft alignment and reliable torque transmission.

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Kop-Flex 204 KD 21 SS700 FB (Rexnord PN 2429652) Size 204 KD disc coupling, Style KD21, 7.00" short spacer, finished bore. Double-engagement, maintenance-free design requires no lubrication and delivers zero backlash with high torsional stiffness. Ideal for high-performance applications demanding precise motion control and reliable power transmission.

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