d - 55 mm

D - 120 mm

T - 31,5 mm

B - 29 mm

C - 21 mm

ra1 max. - 2 mm

a - 38 mm

r min. - 2,5 mm

r1 min. - 2 mm

da min. - 67 mm

Da min - 94 mm

Da max. - 110 mm

db max. - 68 mm

Db min. - 113 mm

ra max. - 2 mm

Sa - 4 mm

Sb - 10,5 mm

Weight - 1,59 Kg

Basic dynamic load rating (C) - 132 kN

Basic static load rating (C0) - 154 kN

(Grease) Lubrication Speed - 2 900 r/min

(Oil) Lubrication Speed - 3 800 r/min

Calculation factor (e) - 0,83

Calculation factor (Y0) - 0,4

Calculation factor (Y2) - 0,73

• Model Number: 4T-30311D
• Inner Diameter：55mm Outer Diameter：120mm Width：31,5mm
• Type：Tapered Roller Bearings
• Update date：2025-12-15
• Application:electrocardiograph,engineering machine,raw material accessories,bathroom facilities,Dental Equipment,shoe-making machinery,aerial work equipment,Individual Wire,printing machinery,Medical room equipment,special broaching machine
• Similar models:KBC 30311J NKE 30311 CRAFT 30311 KOYO 30311DJR Timken 30311 KOYO 30311CR CX 30311A FBJ 30311D ISO 30311 NTN 4T-30311D
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-30311D products，there is large inventory of NTN 4T-30311D . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-30311D Which NTN 4T-30311D 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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