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

305272 DB

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 DB
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：2026-04-16
Application:Chromatography Products,Industrial,test strip,Roller mill,test equipment,medical equipment,comprehensive experiment,Anti-defibrillation pacing,lifting tackle,Equipment,product accessories
Similar models:305272 DB 305272 D 305272 DA
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32222/DF	110	200	-	Bearings, units and housings
5543	14.3002	25.37	6.35	Seals
7 VA R	6	-	-	Seals
BT4B 328829/HA1	440	580	-	Bearings, units and housings
FSAF 22615 x 2.1/2 TLC	63.5	-	-	Bearings, units and housings
NJ 2220 ECJ	100	180	46	Bearings, units and housings
S7011 ACD/P4A	55	90	18	Bearings, units and housings
SY 35 TDW	35	-	-	Bearings, units and housings
YSPAG 205-100	27.05	52	24	Bearings, units and housings

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