Products Power Transmission Products

  • Bearing Roller Conveyor Chain

Standard (Previous) Specifications

Offers 5x the wear life of general use conveyor chain (DT Series), reduces required motor kW by 1/3, and allows users to go two sizes down for overall equipment savings.

Available with BR, BF

[Operating temperature range]
BR, BF: -20ºC to 80ºC
BS: -20ºC to 50ºC
Standard Series

1. Structure & Features

Conveyor chain with cylindrical bearings between the rollers and bushes. Has the same dimensions as general use conveyor chain with R or F rollers.

Structural diagram

Structural diagram

Comparison of bush - roller wear life

Comparison of bush - roller wear life chart

*In-house test comparison (under lube-free conditions)

Has 5x the wear life of DT Series and 3x the wear life of AT Series under lube-free operation.

2. Roller Types

BR Type BF Type
BR Type picture BF Type picture

3. Reference Number System

RF3075 B R - DT - 1L A2
(1) (2) (3) (4) (5) (6)
  1. (1) Chain size
  2. (2) Bearing rollers
  3. (3) Roller type: R = R roller, F = F roller, S = S roller
  4. (4) Series
  5. (5) Attachment spacing
  6. (6) Attachment type

4. List of Sizes, Maximum Allowable Load, and Roller Allowable Load (unit: kN)

Chain size Max. allowable load Roller allowable load
BR Type BF Type BR・BF Type R Roller F Roller
DT Series AT Series
RF03075BR RF03075BF 4.20 7.85 1.96 1.27
RF03100BR RF02100BF 4.20 7.85 1.96 1.27
RF05100BR RF05100BF 9.80 14.7 3.04 1.96
RF05125BR RF05125BF 9.80 14.7 3.04 1.96
RF05150BR RF05150BF 9.80 14.7 3.04 1.96
RF08125BR - 11.2 14.7 4.12 2.65
RF08150BR RF08150BF 11.2 14.7 4.12 2.65
RF10100BR RF10100BF 16.1 23.5 5.49 3.43
RF10125BR RF10125BF 16.1 23.5 5.49 3.43
RF10150BR RF10150BF 16.1 23.5 5.49 3.43
RF12200BR RF12200BF 26.6 36.3 8.34 5.49
RF12250BR RF12250BF 26.6 36.3 8.34 5.49
RF17200BR RF17200BF 35.0 54.9 14.1 9.81
RF17250BR RF17250BF 35.0 54.9 14.1 9.81
RF17300BR RF17300BF 35.0 54.9 14.1 9.81
RF26250BR RF26250BF 44.9 72.6 19.6 13.7
RF26300BR RF26300BF 44.9 72.6 19.6 13.7
RF26450BR RF26450BF 44.9 72.6 19.6 13.7
RF36300BR RF36300BF 68.0 97.1 27.5 18.6
RF36450BR RF36450BF 68.0 97.1 27.5 18.6
RF36600BR RF36600BF 68.0 97.1 27.5 18.6
  • Contact a Tsubaki representative regarding inch sizes.