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：2026-06-25
Application:ignition system,Air,Cutting Machine,SPA equipment,food testing,Food testing,magnetic elements,Infrared Technology,mechanical annex,Industrial equipment,stamping die
Similar models:305272 D 305272 DB 305272 DA
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Model No. Inner Diameter Outer Diameter Width Type

BT4-8045 G/HA1VA901
BD-C 31/750 KMB-OH 31/750 HE
FYTB 17 TF
NKIS 15
PCMW 487402 E

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Hot number： 1250113 BD-22348 CCK/W33-OH 2348 H BD-231/710 CAK/W33-OH 31/710 H 27x47x10 HMSA10 RG 3311 DMA 332129/HA4 6306-RZ 6308-RZ 6313-RS1 FYRP 2-3 FYTB 1.1/2 FM NJ 2338 ECML NNCF 4972 CV PRM 455060 SAF 22513 x 2.1/4

Model No.	Inner Diameter	Outer Diameter	Width	Type
BT4-8045 G/HA1VA901
BD-C 31/750 KMB-OH 31/750 HE
FYTB 17 TF
NKIS 15
PCMW 487402 E