d - 55 mm

D - 120 mm

T - 31.5 mm

d₁ - - 88.4 mm

B - 29 mm

C - 21 mm

r_1,2 - min. - 2.5 mm

r_3,4 - min. - 2 mm

a - 37.053 mm

d_a - max. - 68 mm

d_b - min. - 65 mm

D_a - min. - 94 mm

D_a - max. - 110 mm

D_b - min. - 113 mm

C_a - min. - 4 mm

C_b - min. - 10.5 mm

r_a - max. - 2.5 mm

r_b - max. - 2 mm

Basic dynamic load rating - C - 121 kN

Basic static load rating - C₀ - 137 kN

Fatigue load limit - P_u - 16.6 kN

Reference speed - 3800 r/min

Limiting speed - 5600 r/min

Calculation factor - e - 0.83

Calculation factor - Y - 0.72

Calculation factor - Y₀ - 0.4

Mass bearing - 1.55 kg

• Model Number:31311 J2/QCL7C
• Inner Diameter：120mm Outer Diameter：55mm Width：31,5mm
• Type：Tapered Roller Bearings
• Update date：2025-12-16
• Application:Forging machine,bio-chemical,Equipment,axle lathe,food sterilization,medical equipment,plastic molding,machining,Switch,surgical instruments,Doppler
• Similar models:CX 31311A NKE 31311-DF ISO 31311 NKE 31311 NSK HR31311J CYSD 31311 FBJ 31311 FAG 31311-A-N11CA-A80-120 SKF 31311J2/QCL7C ISB 31311
• BEARING POWER International Trading Co.,Ltd. specialize in 31311J2/QCL7C products，there is large inventory of SKF 31311 J2/QCL7C . We has been built up long-term cooperation with SKF company, could make a bulk order of the 31311 J2/QCL7C Which SKF 31311J2/QCL7C 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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