Skip to navigation menu
Boston Gear40B21-1 1/8

40B21-1 1/8

Finished Bore Sprocket
Item #101853242
  • 40 Chain, 21 Tooth, 1.125 in Bore, With Keyway and Setscrew
Boston Gear40B21-1 1/8
Price Unavailable
Price Unavailable
Pricing is unavailable at this time. Please contact Customer Service for assistance.
Online Ordering Restricted
Please contact Customer Service for assistance.
Contact Customer Service
    Shipment Options

Alternate Products

No. 40 - 1/2" Pitch - Single - Bored to Size Sprocket
Martin
No. 40 - 1/2" Pitch - Single - Bored to Size Sprocket
Item #100807068
each
No. 40 - 1/2" Pitch - Finished Bore Sprockets
US Tsubaki Inc.
No. 40 - 1/2" Pitch - Finished Bore Sprockets
Item #101621260
each
  • 40 Chain, 21 Tooth, 1.125 in Bore, With Keyway and Setscrew

features

  • Quality design
  • Superior fatigue resistance
  • Long operational life
  • Complete with keyway and setscrew

compliances

  • 0
Width Across Teeth 0.284 in
Hub Dia. 2 3/4 in
No. of Teeth 21
Length Through Bore 1 in
Keyway w/Keyway & Setscrew
Hub Length Thru 0.716 in
Inch/Metric Inch
No. of Strands Across 1
Finished Bore 1 1/8 in
Chain Pitch 0.5 in
Outside Dia. 3.617 in
Sprocket Style B
Pitch Diameter 3.355 in
Chain No. 40
Hardened Teeth Without Hardened Teeth
Material Steel
Weight 1.312 LB
EAN or UPC 781711360880
We're here for you
with Service Centers across the country -
We have your back
Get Support
Close Compare List Open Compare List Toggle

Product Comparison

CLOSE
Close

Before proceeding please sign in or become a registered user on Applied.com

Sign In or Register
Close

Add to Saved List

Create

Add to Existing Auto-Replenish Order

Existing Autoship Orders