Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row, without an inner ring SKF RNU 308 ECJ

RNU 308 ECJ

SKF Explorer

Dimensions

F_w		52	mm
D		90	mm
C		23	mm
D₁	≈	75	mm
r_1,2	min.	1.5	mm

Abutment dimensions

d_a	max.	57.7	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

0.5

Model Number: RNU 308 ECJ
Inner Diameter：52mm 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, without an inner ring
Update date：2026-04-16
Application:milling head plug,CNC,chromatography,building decoration raw materials and accessories,outdoor equipment,industrial equipment,chemical instruments,suction nozzle,Beauty and Body,DC generators,welding equipment
Similar models:AOH 3084 G NN 3080 K/SPW33 SNL 3084 6308-Z 7308 BECBY NU 2308 ECP BD-21308 EK-AH 308 SAF 22308 T BD-22308 EK-H 2308 3308 A-2ZTN9/MT33
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Model No.	Inner Diameter	Outer Diameter	Width	Type
12x22x5 HMS5 RG	12	22	5	Seals
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2306	30	72	27	Bearings, units and housings
37x50x6 HMSA10 V	37	50	6	Seals
61920	100	140	20	Bearings, units and housings
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71910 CB/P4AL	50	72	12	Bearings, units and housings
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PCM 121412 E	12	14	12	Bearings, units and housings
SSAFS 23040 KATLC x 7.1/8	180.975	-	-	Bearings, units and housings
SYNT 45 LTS	45	-	-	Bearings, units and housings

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