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NSK - Cylindrical Roller Bearing Steel Cage

40 x 90 x 23 (NU308EW)
Stock Code:
NU308EW_NSK
$64.04 incl GST
Stock Level:
Secondary Warehouse
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Description

NU308EW NSK

Cylindrical Roller Bearing (C3 Clearance)

40 ID x 90 OD x 23 Width mm

Cylindrical roller bearings (CRBs) have a simple structure of cylindrical rollers in linear contact with the raceways. They offer high load capacity under primarily radial loads. Low friction between the rollers and ring ribs makes these bearings suited for high speed rotation.

Single-row bearings are designated as NU, NJ, NUP, N, or NF, while double-row bearings are designated as NNU or NN, depending on if side ribs are used. All types allow the inner and outer rings to be separated.

Some CRBs used as free-end bearings have no ribs so that the rings can move axially relative to each other. When the inner or outer ring has ribs on both sides and the other ring has a rib on one side, these bearings can take some axial load in one direction.

Double-row cylindrical roller bearings have high radial rigidity and are used primarily for the main shafts of precision machine tools. Cages are typically made of pressed steel or machined brass, but molded polyamide resin cages are used for some models.

NSK offers a variety of CRB types to suit your needs.

Click here for catalogue information

Click here for detailed cylindrical roller information

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