SKF RNNU4948B/SPW33

Specifications

Brand	SKF
Item Number	RNNU4948B/SPW33 SKF
Category	Cylindrical Roller Bearing Double Row

Weight and Dimensions

Inner (d) MM	265
Outer (D) MM	320
Width (B) MM	80
Inner (d) Inch	10.4331
Outer (D) Inch	12.5984
Width (B) Inch	3.1496
Weight (kg)	10.2 kg

Product Properties

Bore	C - Cylindrical Bore
Seal	No Seal
Cage Type	M - Brass Cage
External Modification	W33
Radial Internal Play	Cn Normal Internal Play
Precision	SP - Precision Higher than P4S
Heat Stabilization	No Heat Stabilization - Temperatures up to 120 °C

Suffix description

B	Present Standard Design With Brass Cage Of Double Pronged Type
SP	Special Precision Class For Machine Tool Bearings: Dimensional Accuracy Approximately To P5, Running Accuracy Approximately To P4
W33	Lubrication Groove And Three Holes In Bearing Outer Ring