Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row SKF NJ 308 ECJ

NJ 308 ECJ

SKF Explorer

Dimensions

d		40	mm
D		90	mm
B		23	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.	1.4	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	93	kN
Basic static load rating	C₀	78	kN
Fatigue load limit	P_u	10.2	kN
Reference speed		8000	r/min
Limiting speed		9500	r/min
Calculation factor	k_r	0.15
Limiting value	e	0.2
Axial load factor	Y	0.6

Mass

Mass bearing

0.68

Associated products

Angle ring

HJ 308 EC

Model Number: NJ 308 ECJ
Inner Diameter：40mm Outer Diameter：90mm Width：23mm
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：2026-04-16
Application:Industrial Electromechanical,switch,medical treatment,multi-knife lathe,glass processing machine,thread processing machine,altimeter etc,top industry,Textile Industry Accessories and Accessories,gantry processing,Anesthetic Equipment
Similar models:BD-C 3084 KM-OH 3084 H NU 2308 ECPH 3308 A-2RS1 6308 N QJ 308 MA HM 3088 RNU 308 ECJ NJ 2308 ECP PBMF 21023080 M1G1 22308 EK
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