Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 6321

6321

Dimensions

d		105	mm
D		225	mm
B		49	mm
d₁	≈	141.5	mm
D₁	≈	187.95	mm
r_1,2	min.	3	mm

Abutment dimensions

d_a	min.	119	mm
D_a	max.	211	mm
r_a	max.	2.5	mm

Calculation data

Basic dynamic load rating	C	182	kN
Basic static load rating	C₀	153	kN
Fatigue load limit	P_u	5.1	kN
Reference speed		6300	r/min
Limiting speed		4000	r/min
Calculation factor	k_r	0.03
Calculation factor	f₀	13.2

Mass

Mass bearing

8.18

Model Number: 6321
Inner Diameter：105mm Outer Diameter：225mm Width：49mm
Reference speed:4000 r/min Limiting speed:6300 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-07-27
Application:Gear grinding machine,coal,Insect Capture,Medium and large motor,power protection,electromyography machine,trolley,Cylinder Special,food testing,non-motor vehicle Electric car,Industry
Similar models:6321-2Z 6321-Z 6321
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Model No. Inner Diameter Outer Diameter Width Type

15103 S/15243
20 VS V
35x52x8 HMS5 V
K 220x230x42
KRV 40 PPXA

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Hot number： 135x170x12 HMS5 V 12x22x7 HMS5 V 224x260x16 HDS1 R 25950 43x62x8 HMSA10 V 619/7-2Z 85535 GAC 30 F HK 1512 KR 22 XB LR 25x30x26.5 PCZ 1624 M SAF 23030 KATLC x 5.1/8 SNL 3156 G TUJ 30 TF

Model No.	Inner Diameter	Outer Diameter	Width	Type
15103 S/15243
20 VS V
35x52x8 HMS5 V
K 220x230x42
KRV 40 PPXA