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
Cn Normal Internal Play
Precision
UP (Ultra Precision)
Heat Stabilization
No Heat Stabilization - Temperatures up to 120 °C
Suffix description
KTapered Bore, Taper 1:12
UPSpecial Tolerance Class For Machine Tool Spindle Bearings; Dimensional Accuracy Approximately To ISO Tolerance Class 4 And Running Accuracy Better Than ISO Class 4
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