Needle roller bearing, thrust cylindrical roller bearing, 811 series
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PRODUCT DEFINITION | |
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Brand | NTN |
d - Bore diameter of support washer IR - WS | 85 mm |
D - Outside diameter of support washer OR - GS | 110 mm |
d1 - External diameter of support washer IR - WS | 110 mm |
D1 - Bore diameter bearing washer OR - GS | 87 mm |
T - Thrust bearing height | 19 mm |
Dw - Rolling element diameter | 7,5 mm |
Dc1 - Roller cage bore diameter | 85 mm |
Dc - Roller cage outer diameter | 110 mm |
rs - Min fillet radius | 1 mm |
Cage assembly reference | K81117T2 |
Bearing ring (inner ring) WS | WS81117 |
Bearing ring (outer ring) GS | GS81117 |
Ea - Rollers reference outer diameter | 105,3 mm |
Eb - Rollers reference inner diameter | 88,7 mm |
Mass | 0,475 kg |
Cage assembly mass | 0,125 kg |
Bearing ring (inner ring) WS mass | 0,175 kg |
Bearing ring (outer ring) GS mass | 0,175 kg |
PRODUCT PERFORMANCE | |
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Ca - Dynamic axial load rating | 83 kN |
C0a - Static axial load rating | 300 kN |
Cua - Limit axial load rating | 36,5 kN |
Nlim - Grease lubrication limit speed | 630 tr/min |
Nlim - Oil lubrication limit speed | 2500 tr/min |
Tmin - Min operating temperature | -20 °C |
Tmax - Max operating temperature | 120 °C |
ABUTMENT | |
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da min - Min shoulder diameter IR | 105 mm |
Db max - Max OR shoulder diameter | 89 mm |
ras max - Max shaft & housing fillet radius | 1 mm |