Bearings, units and housings -- Ball bearings -- Angular contact ball bearings -- Double row angular contact ball bearings -- Angular contact ball bearings, double row SKF 3308 DMA

3308 DMA

Dimensions

d		40	mm
D		90	mm
B		36.5	mm
d₁	≈	59.4	mm
D₁	≈	77.8	mm
r_1,2	min.	1.5	mm
a		84	mm

Abutment dimensions

d_a	min.	49	mm
D_a	max.	81	mm
r_a	max.	1.5	mm

Calculation data

Basic dynamic load rating	C	68.9	kN
Basic static load rating	C₀	57	kN
Fatigue load limit	P_u	2.45	kN
Reference speed		6700	r/min
Limiting speed		7000	r/min
Calculation factor	k_r	0.095
Calculation factor	e	1.34
Calculation factor	X	0.54
Calculation factor	Y₀	0.44
Calculation factor	Y₁	0.47
Calculation factor	Y₂	0.81

Mass

Mass bearing

1.05

Model Number: 3308 DMA
Inner Diameter：40mm Outer Diameter：90mm Width：36.5mm
Reference speed:7000 r/min Limiting speed:6700 r/min
Type：Bearings, units and housings Ball bearings Angular contact ball bearings Double row angular contact ball bearings
Details： Double row angular contact ball bearings Angular contact ball bearings, double row
Update date：2026-04-18
Application:Switch,Animal Tracking,Other Measurements,horizontal processing,blood cell reagent,Machine tools,Machine Tool Accessories,wall materials,ventilation fans,Ball screw,lifting chain
Similar models:330824 A 330870 BG 330803 A 330886 B 330862 B 53308 + U 308 3308 DTN9 3308 DNRCBM 3308 ATN9 3308 A
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Model No.	Inner Diameter	Outer Diameter	Width	Type
18626	47.625	68.22	7.95	Seals
54974	139.7	171.45	12.7	Seals
555 VRME R	541	-	-	Seals
6242	15.875	28.6	6.35	Seals
7318 BEGAY	90	190	43	Bearings, units and housings
FYRP 2 3/16-18	55.5625	-	-	Bearings, units and housings
FSYE 2 1/2 N-118	63.5	-	-	Bearings, units and housings
N 308 ECP	40	90	23	Bearings, units and housings
NJG 2348 VH	240	500	155	Bearings, units and housings
NU 1012 ML	60	95	18	Bearings, units and housings
NU 2216 ECM	80	140	33	Bearings, units and housings
YET 211-200		100		Bearings, units and housings

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