50B18 Roller Chain Sprocket, #50 Chain, 18 Teeth, B Hub


Price:
$ 25.34

Description

50B18 Roller Chain Sprocket, #50 Chain, 18 Teeth, B Hub

The 50B18 is a 18-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.

$50 minimum order on drive components. Mix and match any pulleys, bushings, sheaves, sprockets, and accessories in your cart to reach the $50 minimum. Questions? Call (888) 203-2358.

Specifications

Specification Value
Part Number 50B18
Chain Size ANSI #50
Teeth 18
Hub Style B
Strands 1
Outside Diameter 3.92 in
Pitch Diameter 3.599 in
Bore 5/8 in minimum plain bore
Maximum Bore 1.875 in
Material Steel (no sintered or powdered metal)
Weight 2 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 50B18 runs #50 chain from any manufacturer in the same pitch.

Cross Reference

The 50B18 interchanges with these equivalent part numbers, per published manufacturer interchange data:

Manufacturer Equivalent Part Number
Dodge® 105058
Martin 50B18
US Tsubaki 50B18
Regal Rexnord (Browning®) 50B18
Ametric 50B18
McMaster-Carr 2590K57
Powerdrive 50B18

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 50B18 sprocket run?

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

Does the 50B18 replace the Dodge 105058?

Yes. Published interchange data crosses the 50B18 directly to the Dodge 105058, as well as Martin 50B18, US Tsubaki 50B18, Regal Rexnord 50B18. Verify dimensions and bore before ordering.

Does the 50B18 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 50B18?

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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