Contacts
EN

Stop searching, install MROSupply Smart Check and see our price instantly wherever you browse.

Download Now

Add products to your shopping cart
Know When You’re Overpaying
The MROSupply Chrome Extension instantly alerts you when the part you’re viewing is available for less at MROSupply.
Download Now
We never track your browsing or search history
We never sell your data to third parties
2430163

Image for Illustration purposes only. Actual product may vary

View in markdown

Kop-Flex 304 KD 21 LL900 (Rexnord PN 2430163) Size 304 KD Disc Coupling, Style KD21, double-engagement, 9.00" limited end-float spacer, 9" outside diameter, 4.5" max bore. Non-lubricated, maintenance-free design with zero backlash for high-performance applications.

MODEL 2430163

BRAND

KOP-FLEX

SKU

2294264

WEIGHT

96.496 lb

UOM

each

UPC

662384012750

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

$16,109.11 Each

Prices are subject to change

FREE SHIPPING ON ORDERS OVER $100

Select Quantity

GET A QUOTE

Typically Ships in: 1 day

Returnable:No

Axial Capacity (+/-)

0.17

Bore Range (in)

1.5 to 4.5

Bore Size Max

4.5

Bore Size Min

1.5

Bore Type

Rough Bore

Configuration

2 long hubs

Coupling Size

304

Coupling Type

Disc Coupling

Disc Coupling Type

Spacer Coupling

Disc Shape

Scalloped

Hub Diameter (in)

6.16

Hub Material

Carbon steel

Length Through Bore (long hub) (in)

4.19

Lube/Non-Lube

Non-Lubricated

Max Compatible Bore Size (long hub) (in)

4.5

Max Torque (ft-lb)

14833

Measurement System

Imperial

Min Compatible Bore Size (long hub) (in)

1.5

OD

9

Rating HP @ 100 RPM

141

Speed Max (rpm)

9900

Stock C Dimension

9

Style

KD21

Torque Rating (in-lb)

89000

Total Length (One Hub Reverse) (in)

Total Length (One Hub Reverse) (in)

Total Length (Std Hub Post) (in)

17.38

Total WR2 (lb-in2)

745

  • 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.

Drawing
3D Drawing IGES
Instruction Sheet

When will I be charged for my order?

Do you provide credit terms?

Can I get a discounted price? I am a reseller / government entity.

What is the return/warranty policy?

Can it be shipped today?

Does “Usually ships in 24 hours” mean it’s in stock?

Read full FAQ

Alternatives Products from another supplier. Note, it may not be identical in style or function to original item
2430106

#2293963

Kop-Flex 204 KD 21 LL1200 (Rexnord PN 2430106) Size 204 KD disc coupling, Style KD21, 12.00" limited end-float spacer, 6.38" OD, 3" max bore, non-lubricated. Double-engagement design accommodates misalignment in high-performance drivelines. Maintenance-free flexible disc coupling requires no lubrication.

Brand

KOP-FLEX

Model

2430106

$4,441.28 Each
Free Shipping orders over $100
2430122

#2294156

Kop-Flex 254 KD 21 LL700 (Rexnord PN 2430122) Size 254 KD disc coupling, Style KD21 double-engagement configuration, 7.00" spacer (LL700), 7.62" outside diameter, 3.75" max bore. Maintenance-free, non-lubricated design with zero backlash for high-performance applications. Patented disc technology eliminates lubrication requirements while providing reliable torque transmission.

Brand

KOP-FLEX

Model

2430122

$5,477.25 Each
Free Shipping orders over $100
2430148

#2294152

Kop-Flex 254 KD 21 LL1400 (Rexnord PN 2430148) Size 254 KD disc coupling, Style KD21, with 14.00" limited end-float spacer, 7.62" outside diameter, and 3.75" max bore. Non-lubricated, maintenance-free double-engagement design, finished bore ready. Suitable for high-performance industrial applications requiring reliable torque transmission and misalignment accommodation.

Brand

KOP-FLEX

Model

2430148

$5,477.25 Each
Free Shipping orders over $100
2430171

#2294260

Kop-Flex 304 KD 21 LL1400 (Rexnord PN 2430171) KD disc coupling, size 304, style KD21, with 14.00" limited end-float spacer, 9" outside diameter, and 4.5" max bore. Non-lubricated, maintenance-free double-engagement design for zero-backlash, high-performance applications.

Brand

KOP-FLEX

Model

2430171

$19,781.61 Each
Free Shipping orders over $100
2430130

#2294158

Kop-Flex 254 KD 21 LL900 (Rexnord 2430130) size 254 KD disc coupling, style KD21, 9.00" limited end-float spacer, 7.62" outside diameter, 3.75" max bore, non-lubricated. Double-engagement disc coupling for high-performance applications requiring zero backlash and maintenance-free operation. Patented disc technology eliminates lubrication needs while accommodating angular, parallel, and axial misalignment.

Brand

KOP-FLEX

Model

2430130

$5,477.25 Each
Free Shipping orders over $100
2430155

#2294262

Kop-Flex 304 KD 21 LL700 (Rexnord PN 2430155) Size 304 KD disc coupling, Style KD21, 7.00" limited end-float spacer, 9" outside diameter, 4.5" max bore. Maintenance-free, non-lubricated design with zero backlash for high-performance applications. Double-engagement disc pack with finished bore hubs.

Brand

KOP-FLEX

Model

2430155

$15,720.93 Each
Free Shipping orders over $100
2430189

#2294350

Kop-Flex 354 KD 21 LL700 (Rexnord PN 2430189) Size 354 KD Disc Coupling, Style KD21, with 7.00" limited end-float spacer, 10.5" outside diameter, and 5" max bore. Maintenance-free, non-lubricated design eliminates lubrication needs while providing high torsional stiffness for precise motion control in industrial drivetrains.

Brand

KOP-FLEX

Model

2430189

$21,838.40 Each
Free Shipping orders over $100
2430197

#2294352

Kop-Flex 354 KD 21 LL900 (Rexnord PN 2430197) Size 354 KD Disc Coupling, Style KD21, with 9.00" limited end-float spacer, 10.5" outside diameter, and 5" max bore. Rough bore construction. Maintenance-free, non-lubricated disc coupling for high-performance industrial applications requiring zero backlash and no lubrication.

Brand

KOP-FLEX

Model

2430197

$22,713.06 Each
Free Shipping orders over $100
Recently Viewed
#2294350
2430189
Kop-Flex 354 KD 21 LL700 (Rexnord PN 2430189) Size 354 KD Disc Coupling, Style KD21, with 7.00" limited end-float spacer, 10.5" outside diameter, and 5" max bore. Maintenance-free, non-lubricated design eliminates lubrication needs while providing high torsional stiffness for precise motion control in industrial drivetrains.
Brand KOP-FLEX
Model 2430189
$21,838.40 Each
Free Shipping orders over $100
#2294260
2430171
Kop-Flex 304 KD 21 LL1400 (Rexnord PN 2430171) KD disc coupling, size 304, style KD21, with 14.00" limited end-float spacer, 9" outside diameter, and 4.5" max bore. Non-lubricated, maintenance-free double-engagement design for zero-backlash, high-performance applications.
Brand KOP-FLEX
Model 2430171
$19,781.61 Each
Free Shipping orders over $100
#2069544
SYNT 65 F
SKF SYNT 65 F spherical-roller pillow block bearing unit for 65mm shaft with set screw locking. Pre-lubricated unit features a cast-iron housing designed for heavy-duty industrial applications such as conveyors, fans, and mining equipment.
Brand SKF Bearing
Model SYNT 65 F
$1,288.38 Each
Free Shipping orders over $100
#2294158
2430130
Kop-Flex 254 KD 21 LL900 (Rexnord 2430130) size 254 KD disc coupling, style KD21, 9.00" limited end-float spacer, 7.62" outside diameter, 3.75" max bore, non-lubricated. Double-engagement disc coupling for high-performance applications requiring zero backlash and maintenance-free operation. Patented disc technology eliminates lubrication needs while accommodating angular, parallel, and axial misalignment.
Brand KOP-FLEX
Model 2430130
$5,477.25 Each
Free Shipping orders over $100
#2294152
2430148
Kop-Flex 254 KD 21 LL1400 (Rexnord PN 2430148) Size 254 KD disc coupling, Style KD21, with 14.00" limited end-float spacer, 7.62" outside diameter, and 3.75" max bore. Non-lubricated, maintenance-free double-engagement design, finished bore ready. Suitable for high-performance industrial applications requiring reliable torque transmission and misalignment accommodation.
Brand KOP-FLEX
Model 2430148
$5,477.25 Each
Free Shipping orders over $100
Reviews