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

NJ 2308 ECJ

SKF Explorer

Dimensions

d		40	mm
D		90	mm
B		33	mm
d₁	≈	57.5	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.	60	mm
D_a	max.	81.8	mm
r_a	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

1.01

Model Number: NJ 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：2025-12-09
Application:Low-voltage electrical equipment,safety testing,chuck industry,construction machinery and equipment,chemical,glass,engine,medical equipment,Equipment,comprehensive experiment,Optical Instruments
Similar models:2308 ETN9 NUP 2308 ECML BD-23084 CAK/W33-OH 3084 H BD-22308 EK-AH 2308 SAF 22308 BS2-2308-2RS/VT143 NUP 2308 ECP 23088 CAK/W33 PBMF 21023080 M1G1 NJG 2308 VH
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