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SKF-Bearing RNU 304

BRAND: SKF Bearing | MODEL: RNU 304 | CONDITION: NEW | SKU: 315524
SKF-Bearing RNU 304

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Returnable: no
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Weight: 0.26 lbs UOM: EA

Additional Description



Item #:RNU 304
Item Name:Single Row, without an Inner Ring Cylindrical Roller Bearings
Principal Dimension Fw:1.122 in
Principal Dimension D:2.0472 in
Principal Dimension C:0.5906 in
Basic Dynamic Load Ratings C:4610 lbf
Basic Static Load Ratings C0:2340 lbf
Speed Ratings - Reference:15000 rpm
Speed Ratings - Limiting:18000 rpm
General Description
Roller end / flange contact area

SKF cylindrical roller bearings have two integral flanges on either the inner or outer ring to guide the rollers. The bearings have "open" flanges, i.e. the inward face of the flange is inclined by a defined angle. The flange design, together with the roller end design and surface finish, promote the formation of a lubricant film to reduce friction and frictional heat.

Logarithmic roller profile

The roller profile determines the stress distribution in the roller/raceway contact area. As a result, the rollers in SKF cylindrical roller bearings have a logarithmic profile to distribute loads evenly along the rollers. This prevents peak stresses at the roller ends to extend bearing service life. The logarithmic profile also reduces sensitivity to misalignment and shaft deflection.

Surface finish

The surface finish on the contact surfaces of the rollers and raceways maximizes the formation of a hydrodynamic lubricant film and optimizes the rolling motion of the rollers. The benefits derived from this, compared with traditional designs, include enhanced operational reliability.

Interchangeable components

The separable components of same-sized SKF cylindrical roller bearings are interchangeable. Any bearing ring with a roller and cage assembly can be assembled with any removable ring of the same bearing type and size having the same internal clearance class. This is particularly important when bearings and their components must be mounted independently of each other.