Bearings, units and housings -- Super-precision bearings -- Cylindrical roller bearings -- Cylindrical roller bearings, double row, super-precision -- SKF NN 3021 KTN9/SP

NN 3021 KTN9/SP

Dimensions

d		105	mm
D		160	mm
B		41	mm
d₁		125.2	mm
E		146	mm
r_1,2	min.	2	mm
r_3,4	min.	1.1	mm
s	max.	2	mm

Tapered bore, taper 1:12

Abutment dimensions

d_a	min.	115	mm
D_a	min.	148	mm
D_a	max.	150	mm
d_n		144.1	mm

Calculation data

Basic dynamic load rating	C	190	kN
Basic static load rating	C₀	305	kN
Fatigue load limit	P_u	36	kN
Attainable speed for grease lubrication		5300	r/min
Attainable speed for oil-air lubrication		6000	r/min
Reference grease quantity	G_ref	17	cm³
Static radial stiffness (guideline value)		2330	N/µm

Mass

Mass bearing

2.7

Model Number: NN 3021 KTN9/SP
Inner Diameter：105mm Outer Diameter：160mm Width：41mm
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:SPA equipment,Vacuum generator,Solenoid Valves,Equipment,special broaching machine,Material handling equipment,Doppler,medical equipment,extruder,pipe fittings Steel industry,Laser Devices
Similar models:30218/DF 33021 30212/DF 30214T59/DB 30211/DF 30214 30215T70/DB 30212T53/DB 30218 30215
BEARING POWER International Trading Co.,Ltd. specialize in NN3021KTN9/SP products，there is large inventory of SKF NN 3021 KTN9/SP Cylindrical roller bearings, double row, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the NN 3021 KTN9/SP Which SKF NN3021KTN9/SP is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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