Industrial replacement referenceSource-backed records · No compatibility guesswork

Martin chain #25 · E-16

25B48

Exact stock sprocket record from Martin's official Roller Chain Sprockets catalog.

Chain#25Pitch0.25"Teeth48Stylesingle stock sprocketsOfficial source ↗

Published catalog evidence

Exact source record

E-16
Catalog number
25B48
Chain designation
25
Chain pitch
0.25"
Number of teeth
48
Material context
all steel
Sprocket style
single stock sprockets
Published row text
48 25B48 3 .964 B .5 1 .375 2 .75 .56 A 25A48 .5 .32

Verification boundary

What still needs to match

Do not infer interchange
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

8