Bearings, units and housings -- Ball bearings -- Angular contact ball bearings -- Double row angular contact ball bearings -- Angular contact ball bearings, double row SKF 305272 DA

305272 DA

Dimensions

d		220	mm
D		309.5	mm
B		76	mm
d₁	≈	252.5	mm
D₁	≈	286	mm
b		22	mm
K		7.5	mm
r_1,2	min.	2.1	mm
a		146	mm

Abutment dimensions

d_a	min.	225	mm
D_a	max.	284	mm
r_a	max.	2.1	mm

Calculation data

Basic dynamic load rating	C	312	kN
Basic static load rating	C₀	520	kN
Fatigue load limit	P_u	13.4	kN
Reference speed		1700	r/min
Limiting speed		2000	r/min
Calculation factor	k_r	0.095
Calculation factor	e	0.86
Calculation factor	X	0.62
Calculation factor	Y₀	0.63
Calculation factor	Y₁	0.73
Calculation factor	Y₂	1.17

Mass

Mass bearing

17.6

Model Number: 305272 DA
Inner Diameter：220mm Outer Diameter：309.5mm Width：76mm
Reference speed:2000 r/min Limiting speed:1700 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：2021-06-05
Application:metal mold,noise reduction equipment,plastic rolling,medical equipment,ship special,shoe-making machinery,organic raw materials,sheet industry,product accessories,key lock,lifting chain
Similar models:305272 DA 305272 D 305272 DB
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Model No.	Inner Diameter	Outer Diameter	Width	Type
2206 EKTN9	30	62	20	Bearings, units and housings
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35x50x7 HMS5 RG	35	50	7	Seals
40x80x12 HMSA10 V	40	80	12	Seals
4308 ATN9	40	90	33	Bearings, units and housings
45x60x8 HMS5 V	45	60	8	Seals
71800 CD/HCP4	10	19	5	Bearings, units and housings
85002	215.9	247.65	15.88	Seals
BT4B 328203/HA1	419.1	590.55	-	Bearings, units and housings
SAW 23536 x 6.1/2	165.1	-	-	Bearings, units and housings
SNW 118x3.1/16	77.7875	118.3894	89.9922	Bearings, units and housings
ZW 12x17	12	17	2	Seals

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