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：2025-12-09
Application:office outdoor camping equipment,root canal filling,medical equipment,Beauty and Body,relay,granulator,circulating pump,plastic rolling,noise inspection,chemical raw materials and reagents,Handling machinery and various industrial machinery
Similar models:SAF 22308 T 6308-Z 23084 CAK/W33 31308/DF BD-23084 CAK/W33-AOH 3084 G SNL 3084 ATURT 7308 BECBP 7308 ACCBM H 2308 21308 EK
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Model No.	Inner Diameter	Outer Diameter	Width	Type
2304 E-2RS1TN9	20	52	21	Bearings, units and housings
38x55x8 HMS5 V	38	55	8	Seals
60x75x8 HMSA10 RG	60	75	8	Seals
71900 CE/P4A	10	22	6	Bearings, units and housings
AOH 2244	200	220	130	Bearings, units and housings
IR 90x105x35	90	105	35	Bearings, units and housings
N 1014 KPHA/SP	70	110	20	Bearings, units and housings
NJ 311 ECML	55	120	29	Bearings, units and housings
NU 2968 M	340	460	72	Bearings, units and housings
YAR 204-012-2FW/VA228	19.05	47	31	Bearings, units and housings
YEL 206-104-2F		62		Bearings, units and housings
Z 013 F	65	-	7	Seals

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