Martin chain #41 · E-28
41B12
Exact stock sprocket record from Martin's official Roller Chain Sprockets catalog.
Published catalog evidence
Exact source record
- Catalog number
- 41B12
- Chain designation
- 41
- Chain pitch
- 0.5"
- Number of teeth
- 12
- Material context
- all steel / stainless steel
- Sprocket style
- single Type B / Type A stock sprockets
- Published row text
- 12 41B12 2 .170 B .5 .938 1 .563 .875 0 .44
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 #4141B12SS12 teeth · single stainless stock sprocketsChain #4141B1111 teeth · single Type B / Type A stock sprocketsChain #4141B1313 teeth · single Type B / Type A stock sprocketsChain #4141B11SS11 teeth · single stainless stock sprocketsChain #4141B13SS13 teeth · single stainless stock sprocketsChain #4141B1010 teeth · single Type B / Type A stock sprocketsChain #4141B1414 teeth · single Type B / Type A stock sprocketsChain #4141B10SS10 teeth · single stainless stock sprockets