d - 105 mm

D - 225 mm

B - 49 mm

D₁ - - 189 mm

F - 133 mm

r_1,2 - min. - 3 mm

r_3,4 - min. - 3 mm

s - 3.4 mm

d_a - min. - 119 mm

d_a - max. - 129 mm

d_b - min. - 136 mm

D_a - max. - 209.4 mm

r_a - max. - 2.5 mm

r_b - max. - 2.5 mm

Basic dynamic load rating - C - 500 kN

Basic static load rating - C₀ - 500 kN

Fatigue load limit - P_u - 57 kN

Reference speed - 3200 r/min

Limiting speed - 3800 r/min

Calculation factor - k_r - 0.15

Mass bearing - 8.56 kg

• Model Number:NU 321 ECJ
• Inner Diameter：225mm Outer Diameter：105mm Width：49mm
• Type：Thrust Ball Bearings
• Update date：2025-12-31
• Application:stacker lift platform,Hydraulic Press,Grinding and polishing equipment,plastic rolling,inorganic chemical,Spectral Products,medical equipment,relay,ECG,climb ladder,woodworking machinery
• Similar models:KOYO 53211U ISO 53215U+U215 NKE 53217 CX 53210U+U210 ISO 53211 ISO 53212U+U212 NACHI 53217 NSK 53215 ISO 53210 NKE 53212
• BEARING POWER International Trading Co.,Ltd. specialize in NU321ECJ products，there is large inventory of SKF NU 321 ECJ . We has been built up long-term cooperation with SKF company, could make a bulk order of the NU 321 ECJ Which SKF NU321ECJ 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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