50B40 Roller Chain Sprocket, #50 Chain, 4 Teeth, B Hub


Price:
$ 64.28

Description

50B40 Roller Chain Sprocket, #50 Chain, 4 Teeth, B Hub

The 50B40 is a 4-tooth sprocket for ANSI #50 roller chain with a B style hub, machined from steel. Machined from solid stock, never sintered or powdered metal, which matters on sprockets where tooth wear sets the replacement interval.

Specifications

Specification Value
Part Number 50B40
Chain Size ANSI #50
Teeth 4
Hub Style B
Strands 1
Outside Diameter 8.316 in
Pitch Diameter 7.966 in
Bore 3/4 in minimum plain bore
Maximum Bore 2.25 in
Material Steel (no sintered or powdered metal)
Weight 6.5 lb
Country of Origin China

Applications

  • Roller chain drives on conveyors and material handling equipment
  • Agricultural machinery and implement drives
  • Packaging machinery and light industrial drives

Chain Compatibility

ANSI #50 is a standardized roller chain size, so the 50B40 runs #50 chain from any manufacturer in the same pitch.

Cross Reference

The 50B40 interchanges with these equivalent part numbers, per published manufacturer interchange data:

Manufacturer Equivalent Part Number
Dodge® 105072
Martin 50B40
US Tsubaki 50B40
Regal Rexnord (Browning®) 50B40
McMaster-Carr 2590K73
Powerdrive 50B40

Always verify dimensions and bore size before substituting part numbers across manufacturers.

Buying in bulk? Save on volume.

Multi-unit and OEM quantities qualify for volume discounts. Call or email for a quantity quote.

Frequently Asked Questions

What chain does the 50B40 sprocket run?

ANSI #50 roller chain. The size is standardized, so #50 chain from any manufacturer fits.

Does the 50B40 replace the Dodge 105072?

Yes. Published interchange data crosses the 50B40 directly to the Dodge 105072, as well as Martin 50B40, US Tsubaki 50B40, Regal Rexnord 50B40. Verify dimensions and bore before ordering.

Does the 50B40 ship from Houston?

Yes. Stock items ship same day from our Houston, Texas warehouse. Call (888) 203-2358 to confirm availability.

Need a quote on 50B40?

Houston warehouse, same-day shipping on stock items.

Call (888) 203-2358

All third-party part numbers and trademarks referenced are the property of their respective owners. References are for compatibility identification only and do not imply affiliation or endorsement.

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