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：2026-06-25
Application:Other machinery,woodworking machinery,stamping die and its equipment,Textile Accessories,key lock,experimental equipment,medical Equipment,lifting chain,stirrer,medical equipment,machining
Similar models:SNW 3028x4.15/16 SAFS 23028 KAT x 4.7/8 SSAFS 23028 KATLC x 4.13/16 SNW 3028x5 23028 CC/W33 SAF 23028 KAT x 4.7/8 SAF 23028 KA x 4.13/16 SAF 23028 KATLC x 4.15/16 AHX 3028 HE 3028
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Model No. Inner Diameter Outer Diameter Width Type

91371
99276
GRA 3009
NCF 1840 V
W 6205-2RZ

Purchase the SKF NN 3028 K/SPW33 Please fill in the following

Hot number： 250x280x15 HMS5 V 3203 A-2Z 32x42x7 CRW1 R 45x62x8 HMSA10 RG 550224 7313 BEGBY 930 VRME R 99374 HJ 1052 N 1013 KTNHA/HC5SP PBMF 182516 M1G1 PSM 182230 A51 SAF 22517 TLC W 61804 R-2Z YSP 207-104 SB-2F

Model No.	Inner Diameter	Outer Diameter	Width	Type
91371
99276
GRA 3009
NCF 1840 V
W 6205-2RZ