d - 88,9 mm

T - 61,912 mm

B - 57,531 mm

C - 49,212 mm

a - 44,7 mm

r min. - 7,9 mm

r1 min. - 3,2 mm

Da - 173 mm

db - 103 mm

da - 118 mm

Db - 173 mm

Basic dynamic load rating (C) - 385 kN

Basic static load rating (C0) - 565 kN

Calculation factor (e) - 0,33

Calculation factor (Y0) - 0,99

Calculation factor (Y1) - 1,79

• Model Number: 855R/854X
• Inner Diameter：88,9mm Outer Diameter：mm Width：57,531mm
• Type：Tapered Roller Bearings
• Update date：2025-12-10
• Application:natural instruments,aerial work equipment,car and accessories,tapered grinder,gear type,boring bar boring bar,rehabilitation training equipment,industrial skin care,comprehensive experiment,Logistics Equipment,tire industry
• Similar models:CX 78225/78551 ISO 78215C/78551 CX 78255X/78551 ISO 78255X/78551 NTN 4T-78214C/78551 KOYO 855R/854X Timken 78250/78551 ISO 78225C/78551 ISO 855/854 Timken 78255X/78551
• BEARING POWER International Trading Co.,Ltd. specialize in 855R/854X products，there is large inventory of KOYO 855R/854X . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 855R/854X Which KOYO 855R/854X is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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