d - 240 mm

D - 440 mm

B - 72 mm

d₁ - - 315 mm

D₁ - - 365 mm

a - 238 mm

h - 12.5 mm

b - 15 mm

r₀ - 2.5 mm

r_1,2 - min. - 4 mm

d_a - min. - 258 mm

D_a - max. - 422 mm

r_a - max. - 3 mm

Basic dynamic load rating - C - 650 kN

Basic static load rating - C₀ - 1200 kN

Fatigue load limit - P_u - 27.5 kN

Reference speed - 1500 r/min

Limiting speed - 2400 r/min

Calculation factor - k_a - 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 - 53.2 kg

• Model Number: QJ 248 N2MA
• Inner Diameter：440mm Outer Diameter：240mm Width：72mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-17
• Application:car steering pin,comprehensive experiment,metallurgical mold,Embroidery,light therapy instrument,journal lathe,Spectrum Products,floor industry,other accessories,water protection,sawing machine
• Similar models:CX Q248 NSK 7248B NSK 7248A NTN 7248 ISB QJ248N2 ISO Q248 NKE QJ248-N2-MPA NKE 7248-BCB-MP ISB 7248B NKE 7248-B-MP
• BEARING POWER International Trading Co.,Ltd. specialize in QJ248N2MA products，there is large inventory of SKF QJ 248 N2MA . We has been built up long-term cooperation with SKF company, could make a bulk order of the QJ 248 N2MA Which SKF QJ248N2MA 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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