d - 380 mm

D - 520 mm

B - 140 mm

D₁ - 470.8 mm

F - 426 mm

b - 16.7 mm

K - 9 mm

r_1,2 - min. - 4 mm

r_3,4 - min. - 2.5 mm

s - 5.5 mm

d_a - min. - 395 mm

d_a - max. - 421 mm

D_a - max. - 505 mm

r_a - max. - 3 mm

Basic dynamic load rating - C - 1450 kN

Basic static load rating - C₀ - 3600 kN

Fatigue load limit - P_u - 320 kN

Limiting speed for grease lubrication - 1300 r/min

Limiting speed for oil lubrication - 1500 r/min

Mass bearing - 83.5 kg

• Model Number: NNU 4976 BK/SPW33
• Inner Diameter：380mm Outer Diameter：520mm Width：140mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-12
• Application:milling head plug,CNC,blood cell reagent,food / grain / food equipment,drawing die,X-ray Equipment,clean stationery,magnetic elements,security,sample cup,noise reduction equipment
• Similar models:NSK RS-4976E4 ISO NNC4976V SKF NNU4976B/SPW33 ISB NNU4976SPW33 ISB NNU4976K/SPW33 NKE NNCF4976-V NSK NNCF4976V NSK RSF-4976E4 SKF NNCL4976CV KOYO DC4976VW
• BEARING POWER International Trading Co.,Ltd. specialize in NNU4976BK/SPW33 products，there is large inventory of SKF NNU 4976 BK/SPW33 . We has been built up long-term cooperation with SKF company, could make a bulk order of the NNU 4976 BK/SPW33 Which SKF NNU4976BK/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
  130FSF200	130	200	110	NSK	Plain Bearings
  239/670CAE4	670	900	170	NSK	Spherical Roller Bearings
  22320-E1-T41D	100	215	73	FAG	Spherical Roller Bearings
  33020	100	150	39	FBJ	Tapered Roller Bearings
  4215-2RS	75	130	31	FBJ	Deep Groove Ball Bearings
  4442	88,9	127	28,58	INA	Thrust Ball Bearings
  60/22	22	44	12	CX	Deep Groove Ball Bearings
  7211-B-TVP	55	100	21	FAG	Angular Contact Ball Bearings
  7214 BEGAP	125	70	24	SKF	Angular Contact Ball Bearings
  EBL.20.0644.200-1STPN	534	742,8	56	ISB	Thrust Ball Bearings
  L21549/L21511	15.875	34.988	10.998	NACHI	Tapered Roller Bearings
  TL23140CAE4	200	340	112	NSK	Spherical Roller Bearings
  XLJ4.3/4	120,65	165,1	22,225	RHP	Deep Groove Ball Bearings
  226K	230	130	40	FAF	DEEP GROOVE BALL BEARINGS
  NCF3007V	35	62	20	FAG	CYLINDRICAL ROLLER BEARINGS
  6417	85	210	52	FAG	DEEP GROOVE BALL BEARINGS
  NUP206	30	62	16	SKF	CYLINDRICAL ROLLER BEARINGS
  SN310with22310	50	-	70	SKF	PILLOW BLOCKS
  98740	1.2500	2.2500	2.5000	Hyatt	JOURNAL ROLLER ASSEMBLIES
  LS-19-AC	3.0000	5.7500	1.0625	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS