d - 60 mm

D - 130 mm

B - 31 mm

d₁ - - 77 mm

D₁ - - 106 mm

a - 67 mm

r_1,2 - min. - 2.1 mm

d_a - min. - 72 mm

D_a - max. - 118 mm

r_a - max. - 2 mm

Basic dynamic load rating - C - 156 kN

Basic static load rating - C₀ - 137 kN

Fatigue load limit - P_u - 5.8 kN

Reference speed - 6700 r/min

Limiting speed - 9000 r/min

Calculation factor - k_a - 1.1

Calculation factor - e - 0.95

Calculation factor - X - 0.6

Calculation factor - Y₀ - 0.58

Calculation factor - Y₁ - 0.66

Calculation factor - Y₂ - 1.07

Mass bearing - 2.15 kg

• Model Number: QJ 312 MA
• Inner Diameter：130mm Outer Diameter：60mm Width：31mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-16
• Application:fruit and vegetable processing,Machine Tool Accessories,marine analysis and testing equipment,Laser Cutting,other mold,medical equipment,Digital Generator,Rolling mill,rock drilling machinery,bathroom facilities,pump accessories
• Similar models:NACHI 7312DB PFI PHU3123 SKF QJ312N2MA NTN 7312DF NTN 7312BBG NSK QJ312 CRAFT 3312ZZ NTN QJ312NR CYSD 7312CDT NSK 5312
• BEARING POWER International Trading Co.,Ltd. specialize in QJ312MA products，there is large inventory of SKF QJ 312 MA . We has been built up long-term cooperation with SKF company, could make a bulk order of the QJ 312 MA Which SKF QJ312MA 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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