d - 240 mm

D - 320 mm

B - 80 mm

D₁ - 292.2 mm

F - 265.3 mm

b - 11.1 mm

K - 3 mm

r_1,2 - min. - 2.1 mm

r_3,4 - min. - 1.1 mm

s - 3.7 mm

d_a - min. - 251 mm

d_a - max. - 262 mm

D_a - max. - 309 mm

r_a - max. - 2 mm

d_n - 267 mm

Basic dynamic load rating - C - 528 kN

Basic static load rating - C₀ - 1220 kN

Fatigue load limit - P_u - 118 kN

Limiting speed for grease lubrication - 2200 r/min

Limiting speed for oil lubrication - 2600 mm/min

G_ref - 171 cm

Mass bearing - 17.5 kg

• Model Number:NNU 4948 BK/SPW33
• Inner Diameter：240mm Outer Diameter：320mm Width：80mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-18
• Application:ventilation equipment,animal,die casting mold,Dental Drill etc,EEG,Laser Devices,Industrial,decoration machinery,Medical room equipment,Industrial,Rolling mill gear box
• Similar models:NACHI RB4948 NTN NN4948C1NAP4 NTN NNU4948K NTN NN4948K NKE NNC4948-A-V NKE NNCL4948-V ISO NNC4948V CX NN4948K ISO NNU4948V CX NNU4948
• BEARING POWER International Trading Co.,Ltd. specialize in NNU4948BK/SPW33 products，there is large inventory of SKF NNU 4948 BK/SPW33 . We has been built up long-term cooperation with SKF company, could make a bulk order of the NNU 4948 BK/SPW33 Which SKF NNU4948BK/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
  22311 EK/VA405	120	55	43	SKF	Spherical Roller Bearings
  2222 M	110	200	53	ISB	Self-Aligning Ball Bearings
  32256	280	500	137	ISO	Tapered Roller Bearings
  6028-RS1	210	140	33	SKF	Deep Groove Ball Bearings
  609-2RU	9	24	7	KOYO	Deep Groove Ball Bearings
  81105 TN	42	25	11	SKF	Thrust Roller Bearings
  CX028				CX	Wheel Bearings
  HM821547/HM821511D+HM821547XB	99,98	196,85	103,378	Timken	Tapered Roller Bearings
  MFJL-3030L	30	40	30	NSK	Needle Roller Bearings
  NCF2940-V	200	262	48	NKE	Cylindrical Roller Bearings
  NJ3060	300	460	118	CX	Cylindrical Roller Bearings
  NN4922	110	139	40	NTN	Cylindrical Roller Bearings
  SC04B27	20,000	52,000	12,000	NTN	Deep Groove Ball Bearings
  SL045038-PP	190	290	136	NBS	Cylindrical Roller Bearings
  MUCNFL202-10W	.6250			AMI	THERMOPLASTIC PILLOW BLOCKS
  XLM10	26	10		HOFF	THRUST BALL BEARINGS
  UCF206-30	30			IPTCI	PILLOW BLOCKS
  LS-9	.8750	2.0000	.5625	FED	DEEP GROOVE BALL BEARINGS
  HR-7/8-XBC	.4375	.8750	.5000	Smith	NEEDLE BEARINGS
  NCF-2892V	460	580	72	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS