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：2025-12-12
• Application:pressure control valve,car,chemical raw materials and reagents,car instrument,Optical detection,electric pump,pump accessories,non-motor vehicle Electric car,SPA equipment,test strip,mechanical annex
• Similar models:NTN NN4921KC1NAP4 ISB NNU4921K/SPW33 CX NNU4921K NSK RSF-4921E4 ISB NNU4921SPW33 NTN NN4921 NTN NNU4921 ISO NNU4921KV CX NNU4921KV KOYO NNU4921
• 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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  4T-456/453A	53,975	107,95	27,783	NTN	Tapered Roller Bearings
  51201	12	28	11	SKF	Thrust Ball Bearings
  61800	10	19	5	CRAFT	Deep Groove Ball Bearings
  62/32-2RS	32	65	17	KOYO	Deep Groove Ball Bearings
  7207BDB	35	72	17	CYSD	Angular Contact Ball Bearings
  BCH1610	25,4	33,338	15,875	INA	Needle Roller Bearings
  DC5048NR	240	360	160	KOYO	Cylindrical Roller Bearings
  K 14x18x13	18	14	13	SKF	Cylindrical Roller Bearings
  LM236749/LM236710	184,15	234,95	34	Timken	Tapered Roller Bearings
  NATB 5903	17	30	20	IKO	Complex Bearings
  QJ319	95	200	45	CX	Angular Contact Ball Bearings
  T2EE 100	165	100	47	SKF	Tapered Roller Bearings
  SN615	65		100	FAG	PILLOW BLOCKS
  H3026.408	130	155		FAG	ADAPTERS
  CSED080	8.0000	9.0000	.5000	INA	ANGULAR CONTACT BALL BEARINGS
  MS-24	6.0000	12.0000	2.2500	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  N-348	240	500	95	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  IR-17x21x20	17		20	CONSOLIDATED	NEEDLE BEARINGS