d - 420 mm

D - 520 mm

B - 46 mm

d₁ - - 457 mm

D₁ - - 487 mm

F - 447 mm

r_1,2 - min. - 2.1 mm

s - 4.7 mm

d_a - min. - 427 mm

d_a - max. - 441 mm

d_b - min. - 462 mm

D_a - max. - 510 mm

r_a - max. - 1.5 mm

Basic dynamic load rating - C - 550 kN

Basic static load rating - C₀ - 1120 kN

Fatigue load limit - P_u - 91.5 kN

Reference speed - 1200 r/min

Limiting speed - 1600 r/min

Calculation factor - k_r - 0.05

Mass bearing - 22 kg

• Model Number:NJ 1884 MA
• Inner Diameter：520mm Outer Diameter：420mm Width：46mm
• Type：Thrust Ball Bearings
• Update date：2025-12-16
• Application:PVC,thin metal materials,Laser Devices,ventilation equipment,Gripper Swing,Machine tools,plastic molding,wall industry,Oral Image,pump,Individual Wire
• Similar models:SKF NJ1884MA SKF NU1884MA
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