Bearings, units and housings -- Ball bearings -- Angular contact ball bearings -- Double row angular contact ball bearings -- Angular contact ball bearings, double row SKF 3308 A-2Z

3308 A-2Z

SKF Explorer

Dimensions

d		40	mm
D		90	mm
B		36.5	mm
d₂	≈	50.8	mm
D₂	≈	80.5	mm
r_1,2	min.	1.5	mm
a		53	mm

Abutment dimensions

d_a	min.	49	mm
d_a	max.	50.5	mm
D_a	max.	81	mm
r_a	max.	1.5	mm

Calculation data

Basic dynamic load rating	C	64	kN
Basic static load rating	C₀	44	kN
Fatigue load limit	P_u	1.86	kN
Reference speed		7500	r/min
Limiting speed		7500	r/min
Calculation factor	k_r	0.07
Calculation factor	e	0.8
Calculation factor	X	0.63
Calculation factor	Y₀	0.66
Calculation factor	Y₁	0.78
Calculation factor	Y₂	1.24

Mass

Mass bearing

0.93

Model Number: 3308 A-2Z
Inner Diameter：40mm Outer Diameter：90mm Width：36.5mm
Reference speed:7500 r/min Limiting speed:7500 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：2026-04-16
Application:insect experimental analysis instrument,air conditioning tools,intermediate,atomizer class,storage and transportation equipment,animal anatomy,Spectrum Products,Dental Drill etc,Antenna Potentials,air purification,stamping die and its equipment
Similar models:53308 + U 308 3308 DMA 3308 DNRCBM 3308 A 3308 A-2Z 330824 A 330862 B 3308 ATN9 330886 B 3308 A-2RS1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
22405	57.15	79.38	9.53	Seals
401004	90	-	-	Seals
511/950 F	950	1120	135	Bearings, units and housings
71926 CD/P4AH1	130	180	24	Bearings, units and housings
91708	-	-	25.4	Seals
GEZ 112 ESL-2LS	44.45	71.438	33.325	Bearings, units and housings
K 50x55x13.5	50	55	13.5	Bearings, units and housings
OKBS 117	117	-	-
OKC 740	740		-
RNA 6915	85	105	54	Bearings, units and housings
SIL 17 ES	17	-	14	Bearings, units and housings
SIL 80 TXE-2LS	80	-	55	Bearings, units and housings

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