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7 SPHERICAL ROLLER BEARINGS

Cylindrical bore Tapered bore

B O U N D A R Y M I D E N O I S N S B E A N I R G N o ) 2 B A C I S L O A D R A N I T G k N N I T I M I L G S P E E D S p r m ) 3
d D B r m n i ) 1 C e r o b l a c i r d n i l y d e r e p a T e r o b D Y N C S T A C I T C o e s a e r G l i o
0 8 0 7 1 0 . 8 5 1 . 2 6 1 3 2 2 6 1 3 2 2 K 5 8 3 0 7 4 0 0 3 2 0 0 0 3
0 5 1 0 . 6 3 0 . 2 7 1 2 2 2 7 1 2 2 2 K 6 0 2 2 7 2 0 0 9 2 0 0 8 3
5 8 0 8 1 0 . 1 4 0 . 3 7 1 3 1 2 7 1 3 1 2 K 9 8 2 5 5 3 0 0 4 2 0 0 1 3
0 8 1 0 . 0 6 0 . 3 7 1 3 2 2 7 1 3 2 2 K 5 1 4 0 1 5 0 0 2 2 0 0 9 2
0 6 1 0 . 0 4 0 . 2 8 1 2 2 2 8 1 2 2 2 K 6 5 2 5 4 3 0 0 7 2 0 0 5 3
0 6 1 4 . 2 5 0 . 2 8 1 2 3 2 8 1 2 3 2 K 5 1 3 5 5 4 0 0 2 2 0 0 8 2
0 9
0 9 1 0 . 3 4 0 . 3 8 1 3 1 2 8 1 3 1 2 K 0 2 3 0 0 4 0 0 3 2 0 0 0 3
0 9 1 0 . 4 6 0 . 3 8 1 3 2 2 8 1 3 2 2 K 0 8 4 0 9 5 0 0 1 2 0 0 7 2
0 7 1 0 . 3 4 1 . 2 9 1 2 2 2 9 1 2 2 2 K 4 9 2 0 9 3 0 0 5 2 0 0 3 3
5 9 0 0 2 0 . 5 4 0 . 3 9 1 3 1 2 9 1 3 1 2 K 5 3 3 0 2 4 0 0 1 2 0 0 7 2
0 0 2 0 . 7 6 0 . 3 9 1 3 2 2 9 1 3 2 2 K 0 0 5 5 1 6 0 0 9 1 0 0 5 2
5 6 1 0 . 2 5 0 . 2 0 2 1 3 2 0 2 1 3 2 K 0 1 3 0 7 4 0 0 0 2 0 0 6 2
0 8 1 0 . 6 4 1 . 2 0 2 2 2 2 0 2 2 2 2 K 5 1 3 5 1 4 0 0 4 2 0 0 2 3
0 0 1 0 8 1 3 . 0 6 1 . 2 0 2 2 3 2 0 2 2 3 2 K 5 0 4 0 8 5 0 0 9 1 0 0 5 2
5 1 2 0 . 7 4 0 . 3 0 2 3 1 2 0 2 3 1 2 K 0 7 3 5 6 4 0 0 0 2 0 0 6 2
5 1 2 0 . 3 7 0 . 3 0 2 3 2 2 0 2 3 2 2 K 5 0 6 5 5 7 0 0 8 1 0 0 4 2
0 8 1 0 . 6 5 0 . 2 2 2 1 3 2 2 2 1 3 2 K 0 7 3 0 8 5 0 0 8 1 0 0 4 2
0 0 2 0 . 3 5 1 . 2 2 2 2 2 2 2 2 2 2 2 K 0 1 4 0 7 5 0 0 2 2 0 0 8 2
0 1 1 0 0 2 8 . 9 6 1 . 2 2 2 2 3 2 2 2 2 3 2 K 5 1 5 0 6 7 0 0 7 1 0 0 2 2
0 4 2 0 . 0 5 0 . 3 2 2 3 1 2 2 2 3 1 2 K 5 9 4 5 1 6 0 0 8 1 0 0 3 2
0 4 2 0 . 0 8 0 . 3 2 2 3 2 2 2 2 3 2 2 K 5 4 7 0 3 9 0 0 7 1 0 0 2 2
0 0 2 2 6 0 . 2 4 2 1 3 2 4 2 1 3 2 K 5 5 4 5 0 7 0 0 6 1 0 0 1 2
5 1 2 8 5 1 . 2 4 2 2 2 2 4 2 2 2 2 K 5 8 4 0 0 7 0 0 0 2 0 0 6 2
0 2 1
5 1 2 6 7 1 . 2 4 2 2 3 2 4 2 2 3 2 K 5 8 5 0 8 8 0 0 5 1 0 0 0 2
0 6 2 6 8 0 . 3 4 2 3 2 2 4 2 3 2 2 K 0 8 8 0 2 1 1 0 0 5 1 0 0 0 2
0 0 2 2 5 0 . 2 6 2 0 3 2 6 2 0 3 2 K 5 7 3 0 2 6 0 0 8 1 0 0 3 2
0 1 2 4 6 0 . 2 6 2 1 3 2 6 2 1 3 2 K 5 9 4 5 9 7 0 0 5 1 0 0 0 2
0 3 1
0 3 2 4 6 0 . 3 6 2 2 2 2 6 2 2 2 2 K 0 7 5 0 9 7 0 0 8 1 0 0 4 2
0 3 2 0 8 0 . 3 6 2 2 3 2 6 2 2 3 2 K 5 8 6 0 6 0 1 0 0 5 1 0 0 9 1
1. Smallest allowable dimension for chamfer dimension ‘r’.
2. ‘K’ indicates bearing have a tapered bore with a taper ratio of 1:12.
3. This value was achieved with machined cages and moulded resin cages; for pressed cages, 75% of the value is allowable.

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