d - 34,925 mm

D - 79,375 mm

T - 29,37 mm

B - 29,771 mm

C - 23,812 mm

ra1 max. - 3,3 mm

a - 20 mm

r min. - 3,5 mm

r1 min. - 3,3 mm

Da - 67 mm

db - 43,5 mm

ra max. - 3,5 mm

da - 50 mm

Db - 74 mm

Weight - 0,707 Kg

Basic dynamic load rating (C) - 88 kN

Basic static load rating (C0) - 106 kN

(Grease) Lubrication Speed - 4800 r/min

(Oil) Lubrication Speed - 6700 r/min

Calculation factor (e) - 0,37

Calculation factor (Y0) - 0,9

Calculation factor (Y1) - 1,6

• Model Number:3478/3420
• Inner Diameter：34,925mm Outer Diameter：79,375mm Width：29,37mm
• Type：Tapered Roller Bearings
• Update date：2025-12-11
• Application:Cylinder Type,electronic components,forklift industry,floor industry,Textile Accessories,Cylinder Micro,motor,Machine tools,rock drilling machinery,leather processing,ventilation heating equipment
• Similar models:KOYO 3478/3420 Timken 3478/3420-B FBJ 3478/3420 NSK 3478/3420 Fersa 3478/3420 Timken 3478/3420 NTN 4T-3478/3420 ISO 3478/3420 CX 3478/3420
• BEARING POWER International Trading Co.,Ltd. specialize in 3478/3420 products，there is large inventory of NSK 3478/3420 . We has been built up long-term cooperation with NSK company, could make a bulk order of the 3478/3420 Which NSK 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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