S=(W33-SKF)=Lubrication Groove And Three Holes In Bearing Outer Ring. M=Two-Piece Machined Brass Cage, Roller Centered. SP=Special Precision Class For Machine Tool Bearings: Dimensional Accuracy Approximately To P5, Running Accuracy Approximately To
Inner (d) Inch
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Outer (D) Inch
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Width (B) Inch
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Description from Medias
Manufacturer Part Number (MPN)
NNU4952SM/SP
Bore
C - Cylindrical Bore
Seal
No Seal
Cage Type
M - Brass Cage
External Modification
No External Modification
Radial Internal Play
Cn Normal Internal
Precision
SP - Precision Higher than P4S
Heat Stabilization
Special Treatment
No Heat Stabilization - Temperatures up to 120°C