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
Carbon steel flange coupling hub with 5/8 inch round keyed bore

Tb Wood'S

Tb Wood'S 4J58 Sure-Flex Sleeve Coupling Flange 5/8 in Bore

SKU CH-WB7X-ZG8KY

Connects shafts in compressors, conveyors, motors or pumps with a 5/8 in bore, 2 1/2 in outside diameter and 156 in-lb torque rating

  • Handles 156 in-lb torque for reliable power transfer
  • Runs up to 7,600 RPM in high-speed drives
  • Carbon steel hub resists wear in tough applications
  • Precise +0.0005/+0.0015 in bore tolerance ensures secure fit
  • 5/8 in bore fits standard shafting without adapters

Sleeve Coupling Flange 4J

This sleeve coupling flange belongs to the Sure-Flex series in size 4J and accepts a 5/8 inch round keyed bore. It is designed for mechanical power transmission between shafts in equipment such as compressors, conveyors, motors and pumps.

Carbon Steel Hub with Keyed Bore

The hub is made from carbon steel with a 1 5/8 inch diameter and a 27/64 inch body length. A bore tolerance of +0.0005 in to +0.0015 in ensures a secure interference fit on standard shafting for reliable torque transfer.

156 in-lb Torque at 7 600 RPM

The coupling handles a maximum torque of 156 in-lb and a top speed of 7 600 RPM. Applications that exceed either limit or require a different bore size will need an alternative flange or coupling design.

Highlights

  • Handles 156 in-lb torque for reliable power transfer
  • Runs up to 7,600 RPM in high-speed drives
  • Carbon steel hub resists wear in tough applications
  • Precise +0.0005/+0.0015 in bore tolerance ensures secure fit
  • 5/8 in bore fits standard shafting without adapters

Specifications

No published specifications for this item yet.

Questions about this item

What maximum speed and torque does the 4J size coupling flange handle?

The 4J flange is rated for 7,600 RPM and a maximum torque of 156 in-lb.

What shaft diameter and keyway tolerance does the 5/8 in bore require?

The round keyed bore measures 5/8 in with a tolerance of +.0005 in to +.0015 in.

How is the flange secured to the shaft and which screw is often missed?

The carbon steel hub uses a set screw over the keyway; installers often forget to tighten the second screw on the flange face.

Also in this aisle

People compared these

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