d - 140 mm

D - 250 mm

T - 45,75 mm

B - 42 mm

C - 36 mm

ra1 max. - 2,5 mm

a - 47,5 mm

r min. - 3 mm

r1 min. - 3 mm

da min. - 158 mm

Da min - 219 mm

Da max. - 236 mm

db max. - 163 mm

Db min. - 237 mm

ra max. - 2,5 mm

Sa - 7 mm

Sb - 9,5 mm

Weight - 8,37 Kg

Basic dynamic load rating (C) - 375 kN

Basic static load rating (C0) - 485 kN

(Grease) Lubrication Speed - 1 400 r/min

(Oil) Lubrication Speed - 1 900 r/min

Calculation factor (e) - 0,43

Calculation factor (Y0) - 0,77

Calculation factor (Y2) - 1,39

• Model Number: 30228
• Inner Diameter：140mm Outer Diameter：250mm Width：45,75mm
• Type：Tapered Roller Bearings
• Update date：2025-12-11
• Application:tapered grinder,paint paint,Traffic Fire Protection Equipment Security equipment,Other machinery,DC generators,Ball screw,Optical Instruments,centrifugal pump,journal lathe,hydraulic connector,Vertical machining
• Similar models:ISB 30228 NSK HR30228J CX 30228A ISO 30228 Timken X30228/Y30228 FBJ 30228 CRAFT 30228 FAG 30228-A-N11CA ISB 30228J/DFC100 SKF 30228J2/DFC100
• BEARING POWER International Trading Co.,Ltd. specialize in 30228 products，there is large inventory of NTN 30228 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 30228 Which NTN 30228 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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