Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 6221-Z

6221-Z

SKF Explorer

Dimensions

d		105	mm
D		190	mm
B		36	mm
d₁	≈	131.4	mm
D₂	≈	166.8	mm
r_1,2	min.	2.1	mm

Abutment dimensions

d_a	min.	117	mm
d_a	max.	131	mm
D_a	max.	178	mm
r_a	max.	2	mm

Calculation data

Basic dynamic load rating	C	140	kN
Basic static load rating	C₀	104	kN
Fatigue load limit	P_u	3.65	kN
Reference speed		7000	r/min
Limiting speed		4500	r/min
Calculation factor	k_r	0.025
Calculation factor	f₀	14.4

Mass

Mass bearing

3.83

Model Number: 6221-Z
Inner Diameter：105mm Outer Diameter：190mm Width：36mm
Reference speed:4500 r/min Limiting speed:7000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-07-24
Application:Grinding and polishing equipment,special broaching machine,welding equipment,injection molding machine,car,Medical room equipment,Storage Tool,electric hydraulic lifting platform,paint paint,Plastic Equipment,Storage Tool
Similar models:6221-2Z PBMF 162216 M1G1 PBMF 162212 M1G1 62211-2RS1 PSM 162212 A51 PSMF 162216 A51 62213-2RS1 6221 PSM 162216 A51 62214-2RS1
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Model No. Inner Diameter Outer Diameter Width Type

BD-240/750 ECAK30/W33-AOH 240/750 G
PCM 222525 E
PF 35 WF
PRM 455060
SAF 22616 x 2.5/8

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Hot number： 19995 20433 23072 CCK/W33 26260 6015 M 719/9 ACE/HCP4AH 71907 CD/HCP4A 7318 BEGAM AS 3552 FYRP 2 11/16-18 NA 4872 NU 216 ECJ OKTC 365 SNL 516 TURU SNW 9x1.3/8

Model No.	Inner Diameter	Outer Diameter	Width	Type
BD-240/750 ECAK30/W33-AOH 240/750 G
PCM 222525 E
PF 35 WF
PRM 455060
SAF 22616 x 2.5/8