Bearings, units and housings -- Super-precision bearings -- Cylindrical roller bearings -- Cylindrical roller bearings, double row, super-precision -- SKF NN 3056 K/SPW33

NN 3056 K/SPW33

Dimensions

d		280	mm
D		420	mm
B		106	mm
d₁		332.8	mm
E		384	mm
b		15.3	mm
K		7.5	mm
r_1,2	min.	4	mm
r_3,4	min.	1.5	mm
s	max.	5	mm

Tapered bore, taper 1:12

Abutment dimensions

d_a	min.	295	mm
D_a	min.	387	mm
D_a	max.	404	mm
d_n		375.3	mm

Calculation data

Basic dynamic load rating	C	1080	kN
Basic static load rating	C₀	2080	kN
Fatigue load limit	P_u	196	kN
Attainable speed for grease lubrication		1900	r/min
Attainable speed for oil-air lubrication		2200	r/min
Reference grease quantity	G_ref	420	cm³
Static radial stiffness (guideline value)		6010	N/µm

Mass

Mass bearing

47.5

Model Number: NN 3056 K/SPW33
Inner Diameter：280mm Outer Diameter：420mm Width：106mm
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:Die,top industry,labor insurance,marine test,Laser Measurements,plastic molding,Power equipment,Dental Drill etc,wire industry,Cylinder Type,large agricultural machinery
Similar models:305608 B SSAFS 23056 KATLC x 9.15/16 SAF 23056 KAT x 10.7/16 SAFS 23056 KATLC x 10.1/2 SNL 3056 TURT SNP 3056x10.1/2 SAF 23056 KA x 9.15/16 SNLN 3056 SSAFS 23056 KAT x 10 SNP 3056x10.7/16
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