d - 40 mm

D - 90 mm

T - 25,25 mm

B - 23 mm

C - 17 mm

ra1 max. - 1,5 mm

a - 29,5 mm

r min. - 2 mm

r1 min. - 1,5 mm

da min. - 50 mm

Da min - 71 mm

Da max. - 81,5 mm

db max. - 50 mm

Db min. - 86,5 mm

ra max. - 2 mm

Sa - 3 mm

Sb - 8 mm

Weight - 0,738 Kg

Basic dynamic load rating (C) - 77 kN

Basic static load rating (C0) - 85,5 kN

(Grease) Lubrication Speed - 3 900 r/min

(Oil) Lubrication Speed - 5 200 r/min

Calculation factor (e) - 0,83

Calculation factor (Y0) - 0,4

Calculation factor (Y2) - 0,73

• Model Number: 4T-30308D
• Inner Diameter：40mm Outer Diameter：90mm Width：25,25mm
• Type：Tapered Roller Bearings
• Update date：2025-12-17
• Application:Hydraulic Rama,electric hydraulic lifting platform,Broadcasting System,switch,Pest Monitoring,bio-chemical,Anti-defibrillation pacing,stamping die and its equipment,multi-knife lathe,Internal thread type,surgical instruments
• Similar models:KOYO 30308JR CRAFT 30308 KBC 30308J NTN 30308C Fersa 30308F KBC 30308DJ Timken X30308/Y30308 ISB 30308 NACHI E30308DJ KBC 30308D
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-30308D products，there is large inventory of NTN 4T-30308D . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-30308D Which NTN 4T-30308D 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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