Spherical Roller Bearings

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Internal operating clearance of a spherical roller bearing — the space between the rollers and the outer ring, — can also be critical to the application. Internal operating clearance is also encoded in the nomenclature. For example, a suffix could be shown as C2, C0, or C3, with C0 representing normal tolerance; C2, less clearance than normal; and C3, more. Be sure to check nomenclature designations on a given bearing with a catalog from the maker of that bearing to assure meanings of all suffixes in the nomenclature. There are some variations among manufacturers.
As an example of the usefulness of operating clearance suffixes in bearing nomenclature, high-temperature or highspeed applications provide better service if additional clearance (C3) is provided. Lower clearance (C2) may increase service life in a heavily loaded, low-speed application, because more roller surface is in contact with raceways.

160 mm x 240 mm x 60 mm ISB 23032 spherical roller bearings

0.27 kN 0.6 mm
12 mm 0.41 Hz

750 mm x 920 mm x 170 mm FAG 248/750-B-MB spherical roller bearings

B04311 17.3
NSK 0.0

AST 23264CAW33 spherical roller bearings

22.7 QVVSN19V303SEB
22219 Cast Steel

1180 mm x 1660 mm x 475 mm NSK 240/1180CAE4 spherical roller bearings

TIMKEN Tapered Roller Beari
Cup Bearing

Toyana 22311 KW33+H2311 spherical roller bearings

Standard Stud Needle Bearing
Stud Type 0.194

135 mm x 210 mm x 53 mm ISB 23028 EKW33+AHX3028 spherical roller bearings

B-1013-6 0846802038830
0 0.815 Inch | 20.701

40 mm x 90 mm x 33 mm FAG 22308-E1-K-T41A + H2308 spherical roller bearings

N/A B04264

260 mm x 480 mm x 80 mm FAG 20252-MB spherical roller bearings

N/A 2 Bolt Flange Block
Single Row | Spheric 1.063 Inch | 27 Mill

190 mm x 400 mm x 132 mm KOYO 22338RK spherical roller bearings

Yes Bearing
Spherical 23.2

AST 22217MBK spherical roller bearings

Straight C3
27.559 Inch | 700 Mi Open

120 mm x 260 mm x 86 mm ISB 22324 spherical roller bearings

N/A 0883680287523
0.375 Inch | 9.525 M KILIAN