MR=Roller Guided Machined Brass Cage. C4=Bearing Internal Clearance Greater Than C3. P6=Dimensional And Running Accuracy To ISO Tolerance Class 6 (Better Than Normal). U31= UY=
Inner (d) Inch
Outer (D) Inch
Width (B) Inch
Description from Medias
Manufacturer Part Number (MPN)
NU315MRC4P6U31UY
Bore
C - Cylindrical Bore
Seal
No Seal
Cage Type
M - Brass Cage
External Modification
No External Modification
Radial Internal Play
C4 Internal Play (Higher than C3)
Precision
P6 Precision (Higher than Standard)
Heat Stabilization
Special Treatment
No Heat Stabilization - Temperatures up to 120°C