d - 105 mm

D - 225 mm

B - 49 mm

d₁ - - 145 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. - 148 mm

D_a - max. - 209.4 mm

r_a - 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 - 8.73 kg

• Model Number: NJ 321 ECJ
• Inner Diameter：225mm Outer Diameter：105mm Width：49mm
• Type：Thrust Ball Bearings
• Update date：2025-12-11
• Application:generator,Cleaning equipment,shaft milling machine,Dental Equipment,shoe-making machinery,molding machine,Broadcasting System,rolling mill roll neck and slowdown device,flexible processing,Vertical machining,electrostatic protection
• Similar models:NACHI 53216U FAG 53212 NSK 53218U FAG 53216+U216 FAG 53211+U211 NKE 53211 SKF 53214+U214 KOYO 53214 CX 53212 KOYO 53212
• BEARING POWER International Trading Co.,Ltd. specialize in NJ321ECJ products，there is large inventory of SKF NJ 321 ECJ . We has been built up long-term cooperation with SKF company, could make a bulk order of the NJ 321 ECJ Which SKF NJ321ECJ 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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