d - 40 mm

D - 90 mm

B - 33 mm

d₁ - - 57.5 mm

D₁ - - 75 mm

F - 52 mm

r_1,2 - min. - 1.5 mm

r_3,4 - min. - 1.5 mm

s - 2.9 mm

d_a - min. - 48 mm

d_a - max. - 50 mm

d_b - min. - 60 mm

D_a - max. - 81.8 mm

r_a - max. - 1.5 mm

Basic dynamic load rating - C - 129 kN

Basic static load rating - C₀ - 120 kN

Fatigue load limit - P_u - 15.3 kN

Reference speed - 8000 r/min

Limiting speed - 9500 r/min

Calculation factor - k_r - 0.25

Mass bearing - 1.009 kg

• Model Number: NJ 2308 ECJ
• Inner Diameter：90mm Outer Diameter：40mm Width：33mm
• Type：Thrust Ball Bearings
• Update date：2025-04-23
• Application:journal lathe,oral medical device,machine tool spindle,Other machinery,spectrometer,Laser Measurements,Switch,Cylinder Standard,insect experimental analysis instrument,fabric products,inorganic chemical
• Similar models:NSK 52308 SKF NJ2308ECPH SKF NU2308ECPH SKF 52308 SKF NU2308ECJ SKF NUP2308ECM SKF NJ2308ECJ ISO 52308 SKF NUP2308ECML INA F-230809
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