Bearings, units and housings -- Super-precision bearings -- Cylindrical roller bearings -- Cylindrical roller bearings, double row, super-precision -- SKF NNU 4948 B/SPW33

NNU 4948 B/SPW33

Dimensions

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
s	max.	3.7	mm

Abutment dimensions

d_a	min.	251	mm
d_a	max.	262	mm
d_b	min.	269	mm
D_a	max.	309	mm
r_a	max.	2	mm
d_n		267	mm

Calculation data

Basic dynamic load rating	C	528	kN
Basic static load rating	C₀	1220	kN
Fatigue load limit	P_u	118	kN
Attainable speed for grease lubrication		2200	r/min
Attainable speed for oil-air lubrication		2600	r/min
Reference grease quantity	G_ref	171	cm³
Static radial stiffness (guideline value)		6340	N/µm

Mass

Mass bearing

17.5

Model Number: NNU 4948 B/SPW33
Inner Diameter：240mm Outer Diameter：320mm Width：80mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Super-precision bearings Cylindrical roller bearings Cylindrical roller bearings, double row, super-precision
Details： Cylindrical roller bearings, double row, super-precision
Update date：2021-06-06
Application:industrial skin care,transportation equipment,gear type,Hydraulic Hose,magnetic elements,hook,air shower etc,marine analysis and testing equipment,centrifugal pump,Other machinery,medical equipment
Similar models:NNC 4948 CV NNU 4948 BK/SPW33 NNCL 4948 CV JLM 104948 AA/910 AA NNU 4948 B/SPW33 GB 4948 NNCF 4948 CV
BEARING POWER International Trading Co.,Ltd. specialize in NNU4948B/SPW33 products，there is large inventory of SKF NNU 4948 B/SPW33 Cylindrical roller bearings, double row, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the NNU 4948 B/SPW33 Which SKF NNU4948B/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	Type
15241	38.1	76.2	9.53	Seals
24040 CC/W33	200	310	109	Bearings, units and housings
241/500 ECA/W33	500	830	325	Bearings, units and housings
30x60x8 CRW1 R	30	60	8	Seals
63x85x8 CRW1 R	63	85	8	Seals
BC4B 322374	460	680	-	Bearings, units and housings
GE 17 TXGR	17	30	14	Bearings, units and housings
NKXR 20 Z	20	30	30	Bearings, units and housings
OKBS 61	61	-	-
P 80	-	-	-	Bearings, units and housings
SSAFS 22536 x 6.3/8 T	161.925	-	-	Bearings, units and housings
SYK 25 LD	25	-	-	Bearings, units and housings

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Hot number： 1400 VL V 29968 62200-2RS1 627-2RSL 628/7-2Z HK 2516.2RS NJ 212 ECP NKXR 20 Z NNCF 5040 CV OKCX 260 PBM 220240250 M1G1 SAF 22609 x 1.1/2 SAF 22630 x 5.1/4 SY 513 M W 6208-2RZ