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：2025-04-21
• Application:nail products,machine lathe,vertical processing,industry test,sleep monitoring,generator,Beauty and Body,standing experimental equipment,transportation equipment,hook,electric hydraulic lifting platform
• Similar models:NSK RS-4921E4 ISO NNU4921V FAG NNU4921-S-K-M-SP ISO NNU4921KV NTN NN4921KC1NAP4 NSK NNU4921K NSK RSF-4921E4 NTN NN4921K NTN NNU4921 CX NN4921
• 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.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  20309-TVP	45	100	25	FAG	Spherical Roller Bearings
  32217J	85	150	38.5	KBC	Tapered Roller Bearings
  32314C	70	150	54	KOYO	Tapered Roller Bearings
  71412/71750	104,775	190,5	47,625	CX	Tapered Roller Bearings
  3909	45	85	28	INA	Thrust Ball Bearings
  67983/67919	203,2	279,4	46,038	KOYO	Tapered Roller Bearings
  6918ZZ	90	125	18	NSK	Deep Groove Ball Bearings
  7006CVDUJ74	30	55	26	SNR	Angular Contact Ball Bearings
  87737/87111	187,325	282,575	50,8	NTN	Tapered Roller Bearings
  ASTEPB 0304-06	3	4,5		AST	Plain Bearings
  EGB3550-E50	35	39	50	INA	Plain Bearings
  LMFM10	10	19		Samick	Linear Bearings
  S61806-2RS	30	42	7	ZEN	Deep Groove Ball Bearings
  SIBP20S	20		25	AST	Plain Bearings
  SL14 918	90	125	52	INA	Cylindrical Roller Bearings
  SS7204 CD/HCP4A	20	47	14	SKF	Angular Contact Ball Bearings
  TR369035HLF1	35	90	35,5	KBC	Tapered Roller Bearings
  UC209-27	42,863	85	49,2	FAG	Deep Groove Ball Bearings
  W61800	10	19	5	SKF	DEEP GROOVE BALL BEARINGS
  562007	35	62	234407 M.SP	NTN	ANGULAR CONTACT THRUST BALL BEARINGS