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：2024-12-13
Application:Vacuum generator,rolling mill roll neck and slowdown device,transportation equipment,product accessories,centrifugal pump,nail products,instrumentation instrument,gas turbine,filter paper products,gear type,trolley
Similar models:NNC 4948 CV NNCF 4948 CV GB 4948 JLM 104948 AA/910 AA NNCL 4948 CV NNU 4948 BK/SPW33 NNU 4948 B/SPW33
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
14020	35	54	7	Seals
30x55x10 HMSA10 V	30	55	10	Seals
6080 M	400	600	90	Bearings, units and housings
7005 CD/HCP4A	25	47	12	Bearings, units and housings
87015	-	-	57.15	Seals
C 2238 K	190	340	92	Bearings, units and housings
C 31/630 KMB	630	1030	315	Bearings, units and housings
D/W R144W.0937-2ZS	3.175	6.35	2.38	Bearings, units and housings
G 15x23x3	15	23	3	Seals
NU 2088 ECMA	440	650	122	Bearings, units and housings
NUP 2224 ECM	120	215	58	Bearings, units and housings
SYR 2 11/16	68.2625	-	-	Bearings, units and housings

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Hot number： 1750 VRME R 50.3x67.0x14.7 TP 51113 7306 BE-2RZP BT1B 328284/HA1 C 39/630 KM HM 624749/710 NA 22/6.2RSX OH 3176 HE NU 305 ECML SAF 22628 x 5 SAW 23524 x 4.1/16 SNL 3148 TURA SY 1.3/8 WDW W 618/1