Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row SKF NU 2308 ECJ

NU 2308 ECJ

SKF Explorer

Dimensions

d		40	mm
D		90	mm
B		33	mm
D₁	≈	75	mm
F		52	mm
r_1,2	min.	1.5	mm
r_3,4	min.	1.5	mm
s	max.	2.9	mm

Abutment dimensions

d_a	min.	48	mm
d_a	max.	50	mm
d_b	min.	54	mm
D_a	max.	81.8	mm
r_a	max.	1.5	mm
r_b	max.	1.5	mm

Calculation data

Basic dynamic load rating	C	129	kN
Basic static load rating	C₀	120	kN
Fatigue load limit	P_u	15.3	kN
Reference speed		8000	r/min
Limiting speed		9500	r/min
Calculation factor	k_r	0.25
Limiting value	e	0.3
Axial load factor	Y	0.4

Mass

Mass bearing

0.96

Model Number: NU 2308 ECJ
Inner Diameter：40mm Outer Diameter：90mm Width：33mm
Reference speed:9500 r/min Limiting speed:8000 r/min
Type：Bearings, units and housings Roller bearings Cylindrical roller bearings Single row cylindrical roller bearings
Details： Single row cylindrical roller bearings Cylindrical roller bearings, single row
Update date：2025-11-28
Application:hot and cold box,engineering machine,vertical processing,rehabilitation training equipment,Machine tool accessories,electromagnetic clutch,education model Instruments,equipment,ECG,product accessories,Antenna Potentials
Similar models:NJ 2308 ECML 2308 EKTN9 + H 2308 H 2308 NU 2308 ECML 2308 ETN9 NJ 2308 ECPH BD-22308 EK-H 2308 22308 E/VA405 BD-23080 CCK/W33-AOH 3080 G SAF 22308 T
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Model No.	Inner Diameter	Outer Diameter	Width	Type
18750	47.625	73.03	6.35	Seals
21379	53.975	92.02	11.91	Seals
23032 CC/W33	160	240	60	Bearings, units and housings
3300351	838.2	881.08	19.05	Seals
60 VA V	54	-	-	Seals
6308-2Z	40	90	23	Bearings, units and housings
9854	25.4	38.07	6.35	Seals
ECL 204	-	-	-	Bearings, units and housings
NNC 4834 CV	170	215	45	Bearings, units and housings
PSMF 152216 A51	15	22	16	Bearings, units and housings
SAF 22518 T	80.9625	-	-	Bearings, units and housings
Z 206	30	-	6	Seals

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