SP=Special Precision Class For Machine Tool Bearings: Dimensional Accuracy Approximately To P5, Running Accuracy Approximately To P4. C3=Internal Clearance Larger Than Normal. F12=
Inner (d) Inch
Outer (D) Inch
Width (B) Inch
Description from Medias
Inner ring
Manufacturer Part Number (MPN)
LNNU4948-SP-F12
Bore
C - Cylindrical Bore
Seal
No Seal
Cage Type
S - Steel or Standard 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