Bearings, units and housings -- Super-precision bearings -- Cylindrical roller bearings -- Cylindrical roller bearings, double row, super-precision -- SKF NN 3048 K/SPW33

NN 3048 K/SPW33

Dimensions

d		240	mm
D		360	mm
B		92	mm
d₁		285.2	mm
E		330	mm
b		15.2	mm
K		7.5	mm
r_1,2	min.	3	mm
r_3,4	min.	1.1	mm
s	max.	2	mm

Tapered bore, taper 1:12

Abutment dimensions

d_a	min.	253	mm
D_a	min.	333	mm
D_a	max.	347	mm
d_n		322.4	mm

Calculation data

Basic dynamic load rating	C	842	kN
Basic static load rating	C₀	1560	kN
Fatigue load limit	P_u	153	kN
Attainable speed for grease lubrication		2200	r/min
Attainable speed for oil-air lubrication		2600	r/min
Reference grease quantity	G_ref	288	cm³
Static radial stiffness (guideline value)		5180	N/µm

Mass

Mass bearing

30.5

Model Number: NN 3048 K/SPW33
Inner Diameter：240mm Outer Diameter：360mm Width：92mm
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：2026-06-24
Application:directional control valve,Infrared Technology,rehabilitation training equipment,small appliances,Display Devices,mechanical and electrical,hydraulic cylinder buffer,DC generators,suction nozzle,Forging machine,static control
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Model No. Inner Diameter Outer Diameter Width Type

6006/HR11TN
86972
FYTB 40 LDW
S71910 CD/HCP4A
SAL 50 TXE-2LS

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Hot number： 13662 20x42x10 HMS5 RG 24914 29685/29620 315040/VJ202 32x52x8 HMS5 RG 70x92x12 HMSA10 V 811/670 M D/W R12-2RS1 D/W R4 GS 89417 HK 5528 NU 2208 ECJ OKCS 250 SAF 1322 TLC

Model No.	Inner Diameter	Outer Diameter	Width	Type
6006/HR11TN
86972
FYTB 40 LDW
S71910 CD/HCP4A
SAL 50 TXE-2LS