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

NJ 308 ECM

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

0.79

Associated products

Angle ring

HJ 308 EC

Model Number: NJ 308 ECM
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：2026-04-17
Application:stamping die and its equipment,transportation equipment,expectoration machine,bathroom facilities,molding machine,food safety,wall materials,coal mill,vertical pull,metallurgy,quality inspection equipment
Similar models:7308 BECBM NU 3084 ECMA 7308 BE-2RZP BD-23080 CCK/W33-OH 3080 H 6308-RSH NU 308 ECJ 2308 ETN9 6308-Z HM 3080 23080 CC/W33
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Model No.	Inner Diameter	Outer Diameter	Width	Type
15915	40.4876	53.98	7.95	Seals
22326 CCJA/W33VA406	130	280	93	Bearings, units and housings
44x60x10 HMS5 V	44	60	10	Seals
45x68x10 HMS5 V	45	68	10	Seals
511/1400 F	1400	1630	180	Bearings, units and housings
62x80x10 HMSA10 V	62	80	10	Seals
71915 CE/HCP4AL	75	105	16	Bearings, units and housings
85814	-	-	63.5	Seals
HJ 222 EC	110	141.65	17	Bearings, units and housings
OH 39/950 H	900	950	344	Bearings, units and housings
SNW 26x4.3/8	111.125	171.577	95.3008	Bearings, units and housings
W 639/2-2Z	2	6	3	Bearings, units and housings

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Hot number： 1260 VE R 13582 2025250 31307 55x80x10 HMSA10 RG 7022 CE/HCP4AH1 71922 CB/HCP4A BT4B 331559/HA4 FY 2.1/2 TF GS 89424 HM 911245/210 SAW 23224 SNL 3148 G SSAFS 22515 x 2.3/8 Z 006