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K81220 - NTN

K81220

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 100 mm
Dc - Roller cage outer diameter 150 mm
Bearing ring (inner ring) WS WS81220
Bearing ring (outer ring) GS GS81220
Ea - Rollers reference outer diameter 140 mm
Eb - Rollers reference inner diameter 109,2 mm
Cage assembly mass 0,62 kg
Brand NTN
Product classification image

PRODUCT PERFORMANCE

Ca - Dynamic axial load rating 243 kN
C0a - Static axial load rating 795 kN
Cua - Limit axial load rating 91 kN
Nlim - Grease lubrication limit speed 480 tr/min
Nlim - Oil lubrication limit speed 1900 tr/min
Tmin - Min operating temperature -20 °C
Tmax - Max operating temperature 120 °C