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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
Inch/Metric Inch
Bushing Bore [Min] 1.125 in
Overall Length Less Threads N/A
Bushing Bore [Max] 3.75 in
Chain No. 140
Hardened Teeth With Hardened Teeth
Bushing Type Split Taper
Hub Projection 1.08 in
Single Strand Tooth Thickness 0.924 in
No. of Strands Across 1
Key Way Size 0.75 in
Material Steel
Chain Sprocket Number 140
Length Through Bore 2 in
Keyway Size 0.75 in
Tooth Width 0.924 in
Hub Dia. 5 1/2 in
Construction Internal Welded
No. of Teeth 21
Chain Pitch 1.750 in
Type B
Bore Type Bushed
Hub Length 1.08 in
Bore Size [Max] 3.75 in
Material External Use Steel
Keyway w/Keyway
Hub O.D. 5.5 in
Sprocket Style B
Outside Dia. 12.66 in
Caliper Diameter 10.7088 in
Bushing Bore Size [Min] 1.125 in
No. of Teeth Rows Strands 1
Width Across Teeth 0.924 in
Chain Sprocket Pitch 1.75 in
Pitch Dia. 11.742 in
Overall Length 3.15625 in
Pitch Diameter 11.7416 in
Bushing Series R1
Bushing Bore Size [Max] 3.75 in
Bore Size [Min] 1.125 in
Material Internal Use Carbon Steel
Outside Dia. [Min] 12.66 in
O.D. 12.66 in
Weight 26.07 LB
EAN or UPC 697950125824
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