Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Matched tapered roller bearings -- Matched single row tapered roller bearings arranged face-to-face SKF 30221/DF

30221/DF

SKF Explorer

Dimensions

d		105	mm
D		190	mm
T		78	mm
2B		72	mm
b		10	mm
K		4	mm
r_3,4	min.	2.5	mm
r₅	min.	1	mm

Abutment dimensions

d_a	max.	123	mm
D_a	min.	165	mm
D_a	max.	178.5	mm
C_a	min.	5	mm
r_a	max.	2.5	mm
r_c	max.	1	mm

Calculation data

Basic dynamic load rating	C	571	kN
Basic static load rating	C₀	710	kN
Fatigue load limit	P_u	80	kN
Reference speed		2200	r/min
Limiting speed		3400	r/min
Calculation factor	e	0.43
Calculation factor	Y₁	1.6
Calculation factor	Y₂	2.3
Calculation factor	Y₀	1.6

Mass

Mass bearing pair

9.01

Model Number: 30221/DF
Inner Diameter：105mm Outer Diameter：190mm Width：-mm
Reference speed:3400 r/min Limiting speed:2200 r/min
Type：Bearings, units and housings Roller bearings Tapered roller bearings Matched tapered roller bearings
Details： Matched tapered roller bearings Matched single row tapered roller bearings arranged face-to-face
Update date：2026-07-20
Application:plastic blow molding,industrial equipment,Other Measurements,Machine Tool Accessories,spring industry,fruit and vegetable processing,Garment Accessories,SPA equipment,clean stationery,engineering machine,Ball screw
Similar models:30221T88/DB 30221/DF 30221
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Model No. Inner Diameter Outer Diameter Width Type

19823
6205/HR11QN
87613
OH 3952 H
W 606-2RS1

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Model No.	Inner Diameter	Outer Diameter	Width	Type
19823
6205/HR11QN
87613
OH 3952 H
W 606-2RS1