Martin chain #41 · E-28
41B25
Exact stock sprocket record from Martin's official Roller Chain Sprockets catalog.
Published catalog evidence
Exact source record
- Catalog number
- 41B25
- Chain designation
- 41
- Chain pitch
- 0.5"
- Number of teeth
- 25
- Material context
- all steel / stainless steel
- Sprocket style
- single Type B / Type A stock sprockets
- Published row text
- 25 41B25 4 .260 B .625 2 .25 3 .25 1 2 .46 A 41A25 .625 0 .88
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
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