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：2026-04-16
Application:wall industry,equipment,van,rolling machine,spring industry,beverage production,Textile Accessories,screen filter,leather processing,multi-knife lathe,Polymer
Similar models:NNCF 4948 CV GB 4948 NNU 4948 BK/SPW33 NNC 4948 CV NNU 4948 B/SPW33 NNCL 4948 CV JLM 104948 AA/910 AA
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
11930	30.1752	62	6.35	Seals
1650255	419.1	457.2	19.05	Seals
6008-2RZTN9/HC5C3WT	40	68	15	Bearings, units and housings
6012-RZ	60	95	18	Bearings, units and housings
6317 M	85	180	41	Bearings, units and housings
7017 ACE/HCP4AH1	85	130	22	Bearings, units and housings
87613	-	-	12.7	Seals
D/W RW144-2Z	3.175	6.35	3.571	Bearings, units and housings
FSAF 22215	75	-	-	Bearings, units and housings
N 209 ECP	45	85	19	Bearings, units and housings
SAW 23534 TLC	150.8125	-	-	Bearings, units and housings
W 6307-2RZ	35	80	21	Bearings, units and housings

Purchase the SKF NNU 4948 B/SPW33 Please fill in the following

Hot number： 24015-2RS5/VT143 29870 314385 53701 61928 MA 7026 CD/P4AH1 71911 CE/HCP4A AOHX 3096 G C 3136 FSAF 1516 x 2.3/4 TLC GEM 60 ESX-2LS PF 50 WF SAF 1618 T SAKAC 18 M YAR 213-2RF