Martin chain #41 · E-28
41B40
Exact stock sprocket record from Martin's official Roller Chain Sprockets catalog.
Published catalog evidence
Exact source record
- Catalog number
- 41B40
- Chain designation
- 41
- Chain pitch
- 0.5"
- Number of teeth
- 40
- Material context
- all steel / stainless steel
- Sprocket style
- single Type B / Type A stock sprockets
- Published row text
- 40 41B40 6 .650 B .75 2 .375 3 .25 1 .063 4 .06 A 41A40 .719 2 .22
Verification boundary
What still needs to match
Chain and strand countConfirm ANSI/ISO chain standard, pitch, roller width, and simplex/duplex/triplex arrangement.
Bore and hub systemVerify stock/finished bore, QD or taper-bushing size, hub style, keyway, setscrews, and shaft fit.
Material and teethConfirm steel/stainless material, hardened-tooth suffixes, corrosion requirements, and tooth count.
DutyCheck speed, horsepower, alignment, lubrication, shock loading, and current manufacturer limits.
Related catalog parts
Same chain family, nearby tooth count
Chain #4141B4242 teeth · single Type B / Type A stock sprocketsChain #4141B3636 teeth · single Type B / Type A stock sprocketsChain #4141B3535 teeth · single Type B / Type A stock sprocketsChain #4141B4545 teeth · single Type B / Type A stock sprocketsChain #4141B3232 teeth · single Type B / Type A stock sprocketsChain #4141B4848 teeth · single Type B / Type A stock sprocketsChain #4141B3030 teeth · single Type B / Type A stock sprocketsChain #4141B2828 teeth · single Type B / Type A stock sprockets