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NSK 6001du Bearing

 

Spherical Roller Bearings

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.

120 mm x 200 mm x 62 mm  ISO 23124 KCW33+H3124 spherical roller bearings
120 mm x 200 mm x 62 mm ISO 23124 KCW33+H3124 spherical roller bearings
54 kN
57,4 Tolerance h14
Toyana 22252MW33 spherical roller bearings
Toyana 22252MW33 spherical roller bearings
N/A
IKO
380 mm x 650 mm x 250 mm  ISB 24180 EK30W33+AOH24180 spherical roller bearings
380 mm x 650 mm x 250 mm ISB 24180 EK30W33+AOH24180 spherical roller bearings
sealed
130,175
100 mm x 165 mm x 52 mm  ISO 23120 KCW33+AH3120 spherical roller bearings
100 mm x 165 mm x 52 mm ISO 23120 KCW33+AH3120 spherical roller bearings
straight
0.095
Toyana 22211CW33 spherical roller bearings
Toyana 22211CW33 spherical roller bearings
N/A
0.911
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