40B45 Roller Chain Sprocket, #40 Chain, 45 Teeth, B Hub


Price:
$ 57.53

Description

40B45 Roller Chain Sprocket, #40 Chain, 45 Teeth, B Hub

The 40B45 is a 45-tooth sprocket for ANSI #40 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 40B45
Chain Size ANSI #40
Teeth 45
Hub Style B
Strands 1
Outside Diameter 7.45 in
Pitch Diameter 7.168 in
Bore 3/4 in minimum plain bore
Maximum Bore 2.375 in
Material Steel (no sintered or powdered metal)
Weight 5.3 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 #40 is a standardized roller chain size, so the 40B45 runs #40 chain from any manufacturer in the same pitch.

Cross Reference

The 40B45 interchanges with these equivalent part numbers, per published manufacturer interchange data:

Manufacturer Equivalent Part Number
Dodge® 105046
Martin 40B45
US Tsubaki 40B45
Regal Rexnord (Browning®) 40B45
Ametric 40B45
McMaster-Carr 2590K49
Powerdrive 40B45

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 40B45 sprocket run?

ANSI #40 roller chain. The size is standardized, so #40 chain from any manufacturer fits.

Does the 40B45 replace the Dodge 105046?

Yes. Published interchange data crosses the 40B45 directly to the Dodge 105046, as well as Martin 40B45, US Tsubaki 40B45, Regal Rexnord 40B45. Verify dimensions and bore before ordering.

Does the 40B45 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 40B45?

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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