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K81211T2 - NTN

K81211T2

Needle roller bearing, thrust cylindrical roller bearing, cage assembly, K812 series

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Technical datasheet

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Specs

PRODUCT DEFINITION

Dc1 - Roller cage bore diameter 55 mm
Dc - Roller cage outer diameter 90 mm
Bearing ring (inner ring) WS WS81211
Bearing ring (outer ring) GS GS81211
Ea - Rollers reference outer diameter 83,4 mm
Eb - Rollers reference inner diameter 60,1 mm
Cage assembly mass 0,19 kg
Brand NTN
Product classification image

PRODUCT PERFORMANCE

Ca - Dynamic axial load rating 121 kN
C0a - Static axial load rating 340 kN
Cua - Limit axial load rating 41,5 kN
Nlim - Grease lubrication limit speed 830 tr/min
Nlim - Oil lubrication limit speed 3300 tr/min
Tmin - Min operating temperature -20 °C
Tmax - Max operating temperature 120 °C