Manufacturer: SKF

Type: Super-precision double row cylindrical roller bearing with tapered bore

Model: NNU4921 BK/SPW33



Dimensions:

Bore Diameter d: 105 mm

Outer diameter D: 145 mm

Width: 40 mm

Bore type: Tapered 1:12

Dynamic load rating: 130 kN

Static load rating: 260 kN

Fatigue load limit: 30 kN

Attainable speed:

Grease lubrication: 5300 RPM

Oil-Air lubrication: 6000 RPM

Cage Material: Brass Cage

Locating Feature ,bearing outer ring: Annular groove and three lubrication holes in the outer ring