40A30 Roller Chain Sprocket, #40 Chain, 3 Teeth, A Hub


Price:
$ 18.84

Description

40A30 Roller Chain Sprocket, #40 Chain, 3 Teeth, A Hub

The 40A30 is a 3-tooth sprocket for ANSI #40 roller chain with a A 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 40A30
Chain Size ANSI #40
Teeth 3
Hub Style A
Strands 1
Outside Diameter 5.057 in
Pitch Diameter 4.783 in
Bore 19/32 in minimum plain bore
Material Steel (no sintered or powdered metal)
Weight 1.26 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 40A30 runs #40 chain from any manufacturer in the same pitch.

Cross Reference

The 40A30 interchanges with these equivalent part numbers, per published manufacturer interchange data:

Manufacturer Equivalent Part Number
Dodge® 103061
Martin 40A30
US Tsubaki 40A30
Regal Rexnord (Browning®) 40A30
Ametric 40A30
McMaster-Carr 2299K34
Powerdrive 40A30

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 40A30 sprocket run?

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

Does the 40A30 replace the Dodge 103061?

Yes. Published interchange data crosses the 40A30 directly to the Dodge 103061, as well as Martin 40A30, US Tsubaki 40A30, Regal Rexnord 40A30. Verify dimensions and bore before ordering.

Does the 40A30 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 40A30?

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.

Payment & Security

American Express Apple Pay Diners Club Discover Google Pay Mastercard PayPal Shop Pay Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Estimate shipping

You may also like

Recently viewed