We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Cast iron coupling flange with 1-7/8 inch bore and keyed hub

Tb Wood'S

Tb Wood'S 10S178 Sure-Flex Sleeve Coupling Flange 10S Bore 1-7/8 in

SKU CH-53T5-PB6MT

Connects shafts in compressors, conveyors, motors and pumps with a 1-7/8 inch bore and 3,600 RPM rating

  • Flange handles 3,735 in-lb torque for heavy loads
  • 3,600 RPM rating suits high-speed drives
  • 1-7/8 in bore with tight tolerance fits shafts precisely
  • Cast iron hub resists wear in tough environments
  • Fits compressors, conveyors, motors and pumps

Coupling Size 10 Flange

This Sure-Flex sleeve coupling flange is built for Size 10 applications and fits a 1-7/8 inch round keyed bore. It connects shafts on compressors, conveyors, motors and pumps in industrial power-transmission systems. The cast iron flange hub provides rigid mounting for the flexible sleeve element.

Speed and Torque Limits

The flange is rated for a maximum speed of 3,600 RPM and a maximum torque of 3,735 in-lb. Exceeding either limit risks premature wear or mechanical failure of the coupling assembly. Bore tolerance is held to +0.0005 in / +0.0015 in to maintain concentricity under load.

Capacity and Headroom

With an outside diameter of 7-1/2 inches and a hub diameter of 4-3/8 inches, the flange handles the full torque rating of the Size 10 sleeve. It runs out of capacity when driven machinery demands torque above 3,735 in-lb or speeds above 3,600 RPM. The 2-23/32 inch length through bore ensures full key engagement for secure power transfer.

Highlights

  • Flange handles 3,735 in-lb torque for heavy loads
  • 3,600 RPM rating suits high-speed drives
  • 1-7/8 in bore with tight tolerance fits shafts precisely
  • Cast iron hub resists wear in tough environments
  • Fits compressors, conveyors, motors and pumps

Specifications

No published specifications for this item yet.

Questions about this item

Which bore diameter should I choose for a 1-7/8 inch shaft?

This flange is machined for a 1-7/8 inch bore with a +0.0005 / +0.0015 inch tolerance and a 2-23/32 inch length through bore.

What does the 3,735 in-lb torque rating mean when the flange is installed?

It is the maximum torque the size 10 Sure-Flex coupling can transmit when paired with a compatible sleeve and correctly aligned.

How does the 3,600 RPM limit affect the coupling in service?

Do not exceed 3,600 RPM; the cast-iron flange hub and keyed bore are rated for that speed with the appropriate sleeve element.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.