K=Tapered Bore, Taper 1:12. TN9=Injection Moulded Cage Of Glass Fibre Reinforced Polyamide 6,6. SP=Special Precision Class For Machine Tool Bearings: Dimensional Accuracy Approximately To P5, Running Accuracy Approximately To P4. W33=Lubrication Groo
Inner (d) Inch
-
Outer (D) Inch
-
Width (B) Inch
-
Description from Medias
Manufacturer Part Number (MPN)
NN3021KTN9/SPW33
Bore
K - 1:12 Tapered Bore (Standard for Most Types)
Seal
No Seal
Cage Type
P - Plastic Molded 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