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Idler Bearings

Idler life is a function of many factors, such as belt speed, shell thickness, seals, and bearings. The idler load and rating of a bulk material handling belt conveyor system depend on the rating of the bearing. The table below covers standard-bearing dimensions used on typical conveyor idlers.




Pu (kN) (kN) C0 (kN) (kN) C (kN) (kN) Limiting speed r/min (r/min) Reference speed r/min (r/min) Designation d - shaft series (mm) (mm) D (mm) (mm) B (mm) (mm) Applicable Standards
0.212 5 9.95 24000 38000 6004 20 42 12
0.173 4.05 7.28 24000 38000 16004 20 42 8
0.28 6.55 13.5 20000 32000 6204 20 47 14
0.335 7.8 16.8 19000 30000 6304 20 52 15
0.275 6.55 11.9 20000 32000 6005 25 47 12
0.212 4.75 8.06 20000 32000 16005 25 47 8
0.49 11.6 23.4 16000 24000 6305 25 62 17 SANS 1313-1
0.31 7.35 11.9 17000 28000 16006 30 55 9
0.67 16 29.6 13000 20000 6306 30 72 19 SANS 1313-1
0.355 8.3 13.8 17000 28000 6006 30 55 13
0.475 11.2 20.3 15000 24000 6206 30 62 16 SANS 1313-1
0.375 8.15 13 15000 24000 16007 35 62 9
0.655 15.3 27 13000 20000 6207 35 72 17
0.44 10.2 16.8 15000 24000 6007 35 62 14
0.815 19 35.1 12000 19000 6307 35 80 21 SANS 1313-1
0.815 19 35.1 12000 19000 6307 M 35 80 21 SANS 1313-1
0.44 10.2 13.8 14000 22000 16008 40 68 9
0.49 11 17.8 14000 22000 6008 40 68 15
0.8 19 32.5 11000 18000 6208 40 80 18
1.02 24 42.3 11000 17000 6308 40 90 23 SANS 1313-1
0.335 7.8 14.8 18000 28000 6205 25 52 15 SANS 1313-1


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