Tsubaki

Tsubaki® H80BTL21 Roller Chain Sprocket With Set Screws, 2-1/2 in Dia Bore, 7.235 in OD, #80 Chain, 21 Teeth, 6.71 in Dia Pitch, Carbon Steel

H80BTL21-TSU MFG #: H80BTL21
$201.00 / EA
Non-Stock Item
Tsubaki® H80BTL21 Roller Chain Sprocket With Set Screws, 2-1/2 in Dia Bore, 7.235 in OD, #80 Chain, 21 Teeth, 6.71 in Dia Pitch, Carbon Steel
  • Bore Diameter: 2-1/2 in
  • Bushing Type: Taper-Lock® 2517
  • Chain Size: #80
  • Country of Origin: CN
  • CustomerPartNumber: 101277
  • Hub Diameter: 4-1/4 in
  • Keyway Size: 5/8 in W x 3/16 in H
  • Length Through Bore: 1-3/4 in
  • Manufacturer Name: U.S. Tsubaki Power Transmission
  • Material: Carbon Steel
  • Number of Teeth: 21
  • Outside Diameter: 7.235 in
  • Pitch: 1 in
  • Pitch Diameter: 6.71 in
  • Screw Size: 1/2 x 1 in
Taper-Lock® bushings are similar to QD® style bushings in that they both utilize a split through the taper and flange to provide a true clamp on the shaft that is equivalent to a shrink fit. This type of bushing is retained to the sprocket with a series of set screws on the outside diameter of the bushing running parallel to the shaft or can be welded to the sprocket itself. With Taper-Lock® bushings, there is no need for a set screw over the drive shaft key. Taper-Lock® bushings offer flexibility in that they allow multiple sized bores for a single bushing size.
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  • Item Features
  • Application
  • Extends chain life up to 50%
  • Offers up to twice the wear life
  • Can be used in abrasive conditions
  • Absorbs high shock loads
  • Saves downtime and replacement costs
  • Can be used in heavy loaded applications
  • Ideal for high speeds
  • Shallow keyway in hub
  • H - Hardened teeth
  • Type B - Hub extension on one-side
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