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Single Strand Sprocket; 140 Chain Size; 21 Teeth; Requires R1 Split Taper Bushing

140R21H

Single Strand Sprocket; 140 Chain Size; 21 Teeth; Requires R1 Split Taper Bushing
Item #100971270
  • Single Strand Sprocket
  • 140 Chain Size
  • 21 Teeth
  • Requires Split Taper R1 Bushing
  • With Hardened Teeth
Single Strand Sprocket; 140 Chain Size; 21 Teeth; Requires R1 Split Taper Bushing
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    Shipment Options
  • Single Strand Sprocket
  • 140 Chain Size
  • 21 Teeth
  • Requires Split Taper R1 Bushing
  • With Hardened Teeth

description

  • Hardened teeth on the smaller sprocket of a roller chain drive are recommended if the drive ratio is four to one or greater or if the smaller sprocket has 24 teeth or less and is running at a speed of over 600 rpm.

features

  • Tolerances meet or exceed ANSI standards
  • Manufactured of high carbon steel
  • Precise machining and processes ensure consistent finish and high quality
  • Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain
  • Bores are concentric to pitch line, minimizing run out
  • Interchangeable with other manufacturers’ split-taper bushings
Bushing Bore Size [Min] 1.125 in
Pitch Dia. 11.742 in
Bushing Bore [Min] 1.125 in
Outside Dia. 12.66 in
Overall Length Less Threads N/A
Bushing Bore Size [Max] 3.75 in
Keyway w/Keyway
Keyway Size 0.75 in
Single Strand Tooth Thickness 0.924 in
Construction Internal Welded
Outside Dia. [Min] 12.66 in
Material Internal Use Carbon Steel
Chain No. 140
Material External Use Steel
No. of Teeth Rows Strands 1
Width Across Teeth 0.924 in
Caliper Diameter 10.7088 in
Hardened Teeth With Hardened Teeth
Chain Sprocket Number 140
Chain Pitch 1.750 in
Material Steel
Tooth Width 0.924 in
Key Way Size 0.75 in
No. of Teeth 21
Bushing Bore [Max] 3.75 in
Sprocket Style B
Hub Length 1.08 in
Chain Sprocket Pitch 1.75 in
Type B
Bore Size [Min] 1.125 in
Length Through Bore 2 in
No. of Strands Across 1
Hub Projection 1.08 in
O.D. 12.66 in
Pitch Diameter 11.7416 in
Hub Dia. 5 1/2 in
Inch/Metric Inch
Bore Size [Max] 3.75 in
Bore Type Bushed
Bushing Type Split Taper
Bushing Series R1
Hub O.D. 5.5 in
Overall Length 3.15625 in
Weight 26.07 LB
EAN or UPC 697950125824
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