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K81112L1 - NTN

K81112L1

Needle roller bearing, thrust cylindrical roller bearing, cage assembly, K811 series

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Technical datasheet

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PRODUCT DEFINITION
BrandNTN
Dc1 - Roller cage bore diameter60 mm
Dc - Roller cage outer diameter85 mm
Bearing ring (inner ring) WSWS81112
Bearing ring (outer ring) GSGS81112
Ea - Rollers reference outer diameter80,1 mm
Eb - Rollers reference inner diameter63,7 mm
Cage assembly mass0,083 kg
Product classification image
PRODUCT PERFORMANCE
Ca - Dynamic axial load rating69 kN
C0a - Static axial load rating215 kN
Nlim - Grease lubrication limit speed830 tr/min
Nlim - Oil lubrication limit speed3300 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Characteristic outer ring frequency (60 rpm)10 Hz
BPFI - Characteristic inner ring frequency (60 rpm)10 Hz
FTF - Characteristic cage frequency (60 rpm)0,5 Hz
BSF - Characteristic rolling element frequency (60 rpm)9,587 Hz