Diameter series (radial bearings)

Bearing type Diameter series

7, 8, 9 0, 1 2, 3, 4




Deep groove ball bearings1) 617, 618, 619 60 2, 3

627, 628 160, 161 42, 43

637, 638, 639 630 62, 63, 64, 622, 623




Angular contact ball bearings
70 32, 33



72, 73



QJ 2, QJ 3




Self-aligning ball bearings2) 139 10, 130 12, 13, 112



22, 23




Cylindrical roller bearings
NU 10, 20 NU 2, 3, 4, 12, 22, 23


NJ 10 NJ 2, 3, 4, 22, 23



NUP 2, 3, 22, 23



N 2, 3




Needle roller bearings NA 48, 49, 69





Full complement cylindrical NCF 18, 19, 28, 29 NCF 30 NCF 22
roller bearings NNC 48, 49 NNF 50 NJG 23

NNCF 48, 49 NNCF 50

NNCL 48, 49





Spherical roller bearings 238, 239 230, 231 222, 232

248, 249 240, 241 213, 223




CARB toroidal roller bearings C 39, 49, 59, 69 C 30, 31 C 22, 23


C 40, 41 C 32




  1. 1) Bearings 604, 607, 608, 609 belong to diameter series 0,
    bearings 623, 624, 625, 626, 627, 628 and 629 to diameter series 2,
    bearings 634, 635 and 638 to diameter series 3
    bearing 607/8 to diameter series 9
  2. 2) Bearing 108 belongs to diameter series 0,
    bearings 126, 127 and 129 to diameter series 2,
    bearing 135 to diameter series 3

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