d - 34,925 mm

D - 79,375 mm

T - 29,37 mm

B - 29,771 mm

C - 23,812 mm

a - 20,8 mm

r min. - 3,6 mm

r2 min. - 3,2 mm

da min. - 50 mm

Da - 67 mm

db min - 43,5 mm

ra max. - 3,6 mm

rb max. - 3,2 mm

Db - 74 mm

Weight - 0,718 Kg

Basic dynamic load rating (C) - 87,4 kN

Basic static load rating (C0) - 105 kN

(Grease) Lubrication Speed - 5200 r/min

(Oil) Lubrication Speed - 6900 r/min

Calculation factor (e) - 0,37

Calculation factor (Y0) - 0,9

Calculation factor (Y1) - 1,64

• Model Number: 3478/3420
• Inner Diameter：34,925mm Outer Diameter：79,375mm Width：29,37mm
• Type：Tapered Roller Bearings
• Update date：2025-12-14
• Application:chamfering machine etc,test laboratory equipment and accessories,woodworking machinery,Antenna Potentials,glass,Die,,Industrial Electromechanical,clean stationery,Infrared Technology,ship special
• Similar models:Fersa 3478/3420 Timken 3478/3420-B ISO 3478/3420 KOYO 3478/3420 NSK 3478/3420 NTN 4T-3478/3420 FBJ 3478/3420 CX 3478/3420 Timken 3478/3420
• BEARING POWER International Trading Co.,Ltd. specialize in 3478/3420 products，there is large inventory of KOYO 3478/3420 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 3478/3420 Which KOYO 3478/3420 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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