Martin chain #35 · E-21
35B42
Exact stock sprocket record from Martin's official Roller Chain Sprockets catalog.
Published catalog evidence
Exact source record
- Catalog number
- 35B42
- Chain designation
- 35
- Chain pitch
- 0.375"
- Number of teeth
- 42
- Material context
- all steel
- Sprocket style
- single Type B / Type A stock sprockets
- Published row text
- 42 35B42 5 .230 B .625 1 .5 2 .25 1 1 .68 A 35A42 .594 .78
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 #3535BS4242 teeth · single Type BS bored-to-sizeChain #3535BTB4242 teeth · single taper-bushedChain #3535SH4242 teeth · single QDChain #3535H4242 teeth · single MST sprocketsChain #3535BS4040 teeth · single Type BS bored-to-sizeChain #3535B40SS40 teeth · single stainless stock sprocketsChain #3535B4040 teeth · single Type B / Type A stock sprocketsChain #3535BTB4040 teeth · single taper-bushed