Bearings, units and housings -- Super-precision bearings -- Cylindrical roller bearings -- Cylindrical roller bearings, double row, super-precision -- SKF NN 3028 K/SPW33

NN 3028 K/SPW33

Dimensions

d		140	mm
D		210	mm
B		53	mm
d₁		166.5	mm
E		192	mm
b		8.7	mm
K		4.5	mm
r_1,2	min.	2	mm
r_3,4	min.	1.1	mm
s	max.	2.5	mm

Tapered bore, taper 1:12

Abutment dimensions

d_a	min.	150	mm
D_a	min.	194	mm
D_a	max.	200	mm
d_n		188	mm

Calculation data

Basic dynamic load rating	C	297	kN
Basic static load rating	C₀	520	kN
Fatigue load limit	P_u	56	kN
Attainable speed for grease lubrication		4000	r/min
Attainable speed for oil-air lubrication		4500	r/min
Reference grease quantity	G_ref	52	cm³
Static radial stiffness (guideline value)		3070	N/µm

Mass

Mass bearing

Model Number: NN 3028 K/SPW33
Inner Diameter：140mm Outer Diameter：210mm Width：53mm
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：2025-12-09
Application:hanging clamp,paint paint,diagnostic test paper,static control,rehabilitation training equipment,position switch,Other Measurements,electromagnet,Medical equipment,wheel lathe,intermediate
Similar models:SAFS 23028 KATLC x 5 SAFS 23028 KATLC x 4.13/16 SAFS 23028 KAT x 4.15/16 SAFS 23028 KA x 4.15/16 23028-2CS5K/VT143 SSAFS 23028 KAT x 4.15/16 SSAFS 23028 KATLC x 5 23028 CC/W33 NN 3028 K/SPW33 SAF 23028 KA x 4.7/8
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