Bearings, units and housings -- Super-precision bearings -- Cylindrical roller bearings -- Cylindrical roller bearings, double row, super-precision -- SKF NN 3038 K/SPW33

NN 3038 K/SPW33

Dimensions

d		190	mm
D		290	mm
B		75	mm
d₁		228.2	mm
E		265	mm
b		11.3	mm
K		6	mm
r_1,2	min.	2.1	mm
r_3,4	min.	1.1	mm
s	max.	3	mm

Tapered bore, taper 1:12

Abutment dimensions

d_a	min.	201	mm
D_a	min.	267	mm
D_a	max.	279	mm
d_n		258.9	mm

Calculation data

Basic dynamic load rating	C	594	kN
Basic static load rating	C₀	1080	kN
Fatigue load limit	P_u	108	kN
Attainable speed for grease lubrication		2800	r/min
Attainable speed for oil-air lubrication		3200	r/min
Reference grease quantity	G_ref	144	cm³
Static radial stiffness (guideline value)		4280	N/µm

Mass

Mass bearing

Model Number: NN 3038 K/SPW33
Inner Diameter：190mm Outer Diameter：290mm Width：75mm
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:walking Food processing machinery and equipment,boring bar boring bar,Insect Count,plastic molding,vacuum suction cup,Other Measurements,Laser Cutting,engineering machine,axle lathe,oral medical device,altimeter etc
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Model No. Inner Diameter Outer Diameter Width Type

85814
PF 1.1/2 TR
PWM 708050
SYJ 2.1/2 TF
TUJ 508

Purchase the SKF NN 3038 K/SPW33 Please fill in the following

Hot number： 20445 30x72x10 HMSA10 RG 36x50x7 CRW1 R 407000 417500 6201-2Z/VA201 BT4-8009 G/HA1VA901 NJ 219 ECML NNCL 4918 CV OKC 530 PSMF 9011050 A51 S71909 ACB/HCP4A SAF 22620 TLC SNW 24x4.1/8 SNW 5x3/4

Model No.	Inner Diameter	Outer Diameter	Width	Type
85814
PF 1.1/2 TR
PWM 708050
SYJ 2.1/2 TF
TUJ 508