K=Tapered Bore, Taper 1:12. D1=Lubrication Groove And Three Holes In Bearing Outer Ring. As Of => D320 No D1 Suffix Is Used. C1NA=Non-Interchangeable Radial Internal Clearance For Cylindrical Roller Bearing. P4=DIMENSIONAL & RUNNING ACCURACY T
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)
NN3018K D1 C1NA P4
Bore
K - 1:12 Tapered Bore (Standard for Most Types)
Seal
No Seal
Cage Type
S - Steel or Standard Cage
External Modification
No External Modification
Radial Internal Play
C1 Internal Play (Less than C2)
Precision
P4 Precision (Higher than P5)
Heat Stabilization
Special Treatment
No Heat Stabilization - Temperatures up to 120°C