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：2024-12-13
Application:building decoration raw materials and accessories,Spectrum Products,magnetic elements,Spectrum Products,linear drive,welding equipment,extruder,surgical instruments,Industrial,textile machinery,circulating pump
Similar models:30212/DF GRA 3021 NN 3021 KTN9/SP 30215T70/DB 30210 30210/DF 30218 30214 30217 30214T59/DB
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20643	52.4002	77.75	7.95	Seals
23960 CCK/W33	300	420	90	Bearings, units and housings
305-Z	25	62	17	Bearings, units and housings
35082	88.9	126.97	11.13	Seals
470651	631	-	-	Seals
71915 CB/P4AL	75	105	16	Bearings, units and housings
AS 75100	75	100	1	Bearings, units and housings
FYRP 2 15/16-3	74.6125	-	-	Bearings, units and housings
KMTA 24	32	-	120	Bearings, units and housings
M 12649/610	21.43	50.005	17.526	Bearings, units and housings
T2EE 040	40	85	33	Bearings, units and housings

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Hot number： 470301 56x72x8 HMSA10 RG 60x85x10 HMSA10 V 61864 MA 71904 CE/P4A BT4B 334031/HA4C1800 C 2220 K KD10-254 NN 3015 KTN/SP NU 2984 ECMA OKC 780 SAFS 22528 x 4.13/16 SYJ 100 TF SYNT 100 FW W 630/2 R-2ZS