d - 55 mm

D - 120 mm

T - 31,5 mm

B - 29 mm

C - 25 mm

a - 24 mm

d1 - 84 mm

r1 min. - 2,5 mm

r2 min. - 2,5 mm

r3 min. - 2 mm

r4 min. - 2 mm

Ca min. - 4 mm

Cb min. - 6,5 mm

da max - 71 mm

Da min - 104 mm

Da max. - 110 mm

db min - 65 mm

Db min. - 111 mm

ra max. - 2,5 mm

rb max. - 2 mm

Weight - 1,55 Kg

Basic dynamic load rating (C) - 166 kN

Basic static load rating (C0) - 163 kN

Fatigue load limit (Pu) - 19,3

Reference speed - 4800 r/min

Limiting speed - 5600 r/min

Calculation factor (e) - 0,35

Calculation factor (Y) - 1,7

Calculation factor (Y0) - 0,9

• Model Number:30311J2/Q
• Inner Diameter：55mm Outer Diameter：120mm Width：31,5mm
• Type：Tapered Roller Bearings
• Update date：2025-12-15
• Application:small appliances,Traffic Fire Protection Equipment Security equipment,Cylinder Special,reinforced machinery,Machine tool accessories,extruder,Medical room equipment,Rolling mill gear box,oral medical device,pump industry,switch
• Similar models:KBC 30311DJ Timken 30311 SNR 30311A NTN 30311D KOYO 46T30311JR/57 KOYO 30311JR Timken X30311/Y30311 NTN 4T-430311DX NTN 30311 NTN 4T-30311
• BEARING POWER International Trading Co.,Ltd. specialize in 30311J2/Q products，there is large inventory of SKF 30311J2/Q . We has been built up long-term cooperation with SKF company, could make a bulk order of the 30311J2/Q Which SKF 30311J2/Q 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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