d - 280 mm

D - 380 mm

B - 100 mm

D₁ - 345.6 mm

F - 312 mm

b - 13.9 mm

K - 3 mm

r_1,2 - min. - 2.1 mm

r_3,4 - min. - 1.1 mm

s - 4.5 mm

d_a - min. - 291 mm

d_a - max. - 308 mm

D_a - max. - 369 mm

r_a - max. - 2 mm

d_n - 313.5 mm

Basic dynamic load rating - C - 765 kN

Basic static load rating - C₀ - 1800 kN

Fatigue load limit - P_u - 170 kN

Limiting speed for grease lubrication - 1900 r/min

Limiting speed for oil lubrication - 2200 mm/min

G_ref - 384 cm

Mass bearing - 32.5 kg

• Model Number: NNU 4956 BK/SPW33
• Inner Diameter：280mm Outer Diameter：380mm Width：100mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-13
• Application:dynamic blood pressure,journal lathe,industrial fans,ECG,diving equipment,Air,Pneumatic Control Valves,Seals,inorganic chemical,stacker lift platform,car shock absorber
• Similar models:CX NNCL4956V NSK NNU4956 NKE NNCL4956-V NTN NN4956C1NAP4 CX NNU4956KV SKF NNU4956B/SPW33 NKE NNC4956-V NBS SL024956 NKE NNCF4956-V NACHI NNU4956
• BEARING POWER International Trading Co.,Ltd. specialize in NNU4956BK/SPW33 products，there is large inventory of SKF NNU 4956 BK/SPW33 . We has been built up long-term cooperation with SKF company, could make a bulk order of the NNU 4956 BK/SPW33 Which SKF NNU4956BK/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
  3200-2RS	10	30	14	CX	Angular Contact Ball Bearings
  32028	140	210	45	FBJ	Tapered Roller Bearings
  33020A	100	150	39	SNR	Tapered Roller Bearings
  48685/48620D+X4S-48685	142,875	200,025	87,315	Timken	Tapered Roller Bearings
  62300-2RS	10	35	17	ZEN	Deep Groove Ball Bearings
  623044	220	340	190	NTN	Tapered Roller Bearings
  6236	180	320	52	CYSD	Deep Groove Ball Bearings
  BK4218	42	49	18	CX	Cylindrical Roller Bearings
  CRO-10214	509,948	654,924	377	NTN	Tapered Roller Bearings
  EB1.25.0555.201-2STPN	455	694,4	80	ISB	Thrust Ball Bearings
  EGB8060-E40	80	85	60	INA	Plain Bearings
  HCB7006-E-T-P4S	30	55	13	FAG	Angular Contact Ball Bearings
  NUP2924	120	180	27	ISO	Cylindrical Roller Bearings
  PHU2012	30	120	44,7	PFI	Angular Contact Ball Bearings
  T83W	20,879	42,164	13,487	Timken	Thrust Roller Bearings
  4213	65	120	31	FAG	DEEP GROOVE BALL BEARINGS
  4837	1.8750	2.0000	3.0000	Hyatt	JOURNAL ROLLER BEARING OUTER RACES
  LJ-1-2Z	1.0000	2.2500	.6250	RHP	DEEP GROOVE BALL BEARINGS
  N-1936-KMSP/5	180	250	33	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  NNC-4920VC/3	100	140	40	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS