d - 105 mm

D - 145 mm

B - 40 mm

D₁ - 130.8 mm

F - 118 mm

b - 5.5 mm

K - 3 mm

r_1,2 - min. - 1.1 mm

r_1,2 - min. - 1.1 mm

s - 1.1 mm

d_a - min. - 111 mm

d_a - max. - 116 mm

d_b - min. - 121 mm

D_a - max. - 138.5 mm

r_a - max. - 1 mm

r_a - max. - 1 mm

d_n - 119 mm

Basic dynamic load rating - C - 130 kN

Basic static load rating - C₀ - 260 kN

Fatigue load limit - P_u - 30 kN

Limiting speed for grease lubrication - 5300 r/min

Limiting speed for oil lubrication - 6000 mm/min

G_ref - 15 cm

Mass bearing - 2 kg

• Model Number: NNU 4921 B/SPW33
• Inner Diameter：105mm Outer Diameter：145mm Width：40mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-11
• Application:Body shaping,miscellaneous instruments,Spectral Products,rolling machine,bio-chemical,gantry processing,Film machine,wall industry,chamfer,rubber products machinery and equipment,Water Monitoring
• Similar models:CX NNU4921V NTN NNU4921C1NAP4 CX NNU4921K NTN NNU4921KC1NAP4 NSK RS-4921E4 NTN NN4921KC1NAP4 NTN NNU4921 ISB NNU4921K/SPW33 CX NN4921 NSK NNU4921K
• BEARING POWER International Trading Co.,Ltd. specialize in NNU4921B/SPW33 products，there is large inventory of SKF NNU 4921 B/SPW33 . We has been built up long-term cooperation with SKF company, could make a bulk order of the NNU 4921 B/SPW33 Which SKF NNU4921B/SPW33 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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