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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 3 1 0 8 2 3 9 0 . 4 6 2 3 2 2 6 2 3 2 2 K 0 0 0 1 0 9 2 1 0 0 4 1 0 0 8 1
0 1 2 3 5 0 . 2 8 2 0 3 2 8 2 0 3 2 K 5 0 4 0 9 6 0 0 7 1 0 0 2 2
5 2 2 8 6 1 . 2 8 2 1 3 2 8 2 1 3 2 K 0 4 5 5 9 8 0 0 4 1 0 0 8 1
0 4 1 0 5 2 8 6 0 . 3 8 2 2 2 2 8 2 2 2 2 K 5 8 6 5 7 9 0 0 7 1 0 0 2 2
0 5 2 8 8 0 . 3 8 2 2 3 2 8 2 2 3 2 K 5 0 8 0 7 2 1 0 0 3 1 0 0 7 1
0 0 3 2 0 1 0 . 4 8 2 3 2 2 8 2 3 2 2 K 0 3 1 1 0 6 4 1 0 0 3 1 0 0 7 1
5 2 2 6 5 1 . 2 0 3 0 3 2 0 3 0 3 2 K 5 4 4 5 7 7 0 0 5 1 0 0 0 2
0 5 2 0 8 1 . 2 0 3 1 3 2 0 3 1 3 2 K 0 3 7 0 9 1 1 0 0 3 1 0 0 7 1
0 5 1 0 7 2 3 7 0 . 3 0 3 2 2 2 0 3 2 2 2 K 5 7 7 0 6 1 1 0 0 6 1 0 0 0 2
0 7 2 6 9 0 . 3 0 3 2 3 2 0 3 2 3 2 K 5 3 9 0 6 4 1 0 0 2 1 0 0 6 1
0 2 3 8 0 1 0 . 4 0 3 3 2 2 0 3 3 2 2 K 0 7 2 1 0 5 7 1 0 0 2 1 0 0 6 1
0 4 2 0 6 1 . 2 2 3 0 3 2 2 3 0 3 2 K 5 0 5 5 8 8 0 0 5 1 0 0 9 1
0 7 2 6 8 1 . 2 2 3 1 3 2 2 3 1 3 2 K 0 4 8 0 7 3 1 0 0 2 1 0 0 6 1
0 6 1 0 9 2 0 8 0 . 3 2 3 2 2 2 2 3 2 2 2 K 0 7 8 0 9 2 1 0 0 5 1 0 0 9 1
0 9 2 4 0 1 0 . 3 2 3 2 3 2 2 3 2 3 2 K 0 5 0 1 0 6 6 1 0 0 2 1 0 0 5 1
0 4 3 4 1 1 0 . 4 2 3 3 2 2 2 3 3 2 2 K 0 1 4 1 0 9 9 1 0 0 2 1 0 0 5 1
0 6 2 7 6 1 . 2 4 3 0 3 2 4 3 0 3 2 K 0 3 6 0 8 0 1 0 0 4 1 0 0 8 1
0 8 2 8 8 1 . 2 4 3 1 3 2 4 3 1 3 2 K 5 8 8 0 9 4 0 0 2 1 0 0 5 1
0 7 1 0 1 3 6 8 0 . 4 4 3 2 2 2 4 3 2 2 2 K 0 0 0 1 0 2 5 1 0 0 4 1 0 0 8 1
0 1 3 0 1 1 0 . 4 4 3 2 3 2 4 3 2 3 2 K 0 8 1 1 0 6 9 1 0 0 1 1 0 0 4 1
0 6 3 0 2 1 0 . 4 4 3 3 2 2 4 3 3 2 2 K 0 4 5 1 0 8 1 2 0 0 1 1 0 0 4 1
0 8 2 4 7 1 . 2 6 3 0 3 2 6 3 0 3 2 K 0 4 7 0 9 2 1 0 0 3 1 0 0 7 1
0 0 3 6 9 0 . 3 6 3 1 3 2 6 3 1 3 2 K 0 3 0 1 0 3 7 1 0 0 1 1 0 0 4 1
0 8 1 0 2 3 6 8 0 . 4 6 3 2 2 2 6 3 2 2 2 K 0 4 0 1 0 1 6 1 0 0 3 1 0 0 7 1
0 2 3 2 1 1 0 . 4 6 3 2 3 2 6 3 2 3 2 K 0 3 2 1 0 0 0 2 0 0 0 1 0 0 3 1
0 8 3 6 2 1 0 . 4 6 3 3 2 2 6 3 3 2 2 K 0 4 7 1 0 6 5 2 0 0 0 1 0 0 3 1
0 9 2 5 7 1 . 2 8 3 0 3 2 8 3 0 3 2 K 5 5 7 0 5 3 1 0 0 2 1 0 0 6 1
0 9 1 0 2 3 4 0 1 0 . 3 8 3 1 3 2 8 3 1 3 2 K 0 9 1 1 0 2 0 2 0 0 0 1 0 0 3 1
0 4 3 2 9 0 . 4 8 3 2 2 2 8 3 2 2 2 K 0 6 1 1 0 1 8 1 0 0 2 1 0 0 6 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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