d - 92,075 mm

D - 180,975 mm

T - 47,625 mm

B - 48,006 mm

C - 38,1 mm

a - 39,5 mm

r min. - 3,6 mm

r2 min. - 3,2 mm

da min. - 111 mm

Da - 161 mm

db min - 105 mm

ra max. - 3,6 mm

rb max. - 3,2 mm

Db - 168 mm

Weight - 5,57 Kg

Basic dynamic load rating (C) - 288 kN

Basic static load rating (C0) - 438 kN

(Grease) Lubrication Speed - 2100 r/min

(Oil) Lubrication Speed - 2800 r/min

Calculation factor (e) - 0,39

Calculation factor (Y0) - 0,86

Calculation factor (Y1) - 1,56

• Model Number: 778/772
• Inner Diameter：92,075mm Outer Diameter：180,975mm Width：47,625mm
• Type：Tapered Roller Bearings
• Update date：2025-12-10
• Application:Laser Cutting,machine lathe,machine tool spindle,hydraulic pump,small diesel generators,electromagnet,wheel lathe,surgical instruments,directional control valve,EEG,metal mold
• Similar models:CX 67782/67720 NACHI 778/772 Timken 67780/67720CD+X2S-67780 KOYO 3778/3730 NSK 67780/67720 KOYO 778/772 Timken 22778/22721 ISO 67787/67720 KOYO 67787/67720 NTN 4T-67787/67720
• BEARING POWER International Trading Co.,Ltd. specialize in 778/772 products，there is large inventory of KOYO 778/772 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 778/772 Which KOYO 778/772 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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