Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Single row tapered roller bearings -- Tapered roller bearings, single row SKF 31321 X

31321 X

Dimension series

7GB

Dimensions

d		105	mm
D		225	mm
T		58	mm
d₁	≈	165.65	mm
B		53	mm
C		36	mm
r_1,2	min.	4	mm
r_3,4	min.	3	mm
a		67.662	mm

Abutment dimensions

d_a	max.	127	mm
d_b	min.	121	mm
D_a	min.	176	mm
D_a	max.	212	mm
D_b	min.	211	mm
C_a	min.	7	mm
C_b	min.	22	mm
r_a	max.	4	mm
r_b	max.	3	mm

Calculation data

Basic dynamic load rating	C	429	kN
Basic static load rating	C₀	500	kN
Fatigue load limit	P_u	53	kN
Reference speed		2000	r/min
Limiting speed		3000	r/min
Calculation factor	e	0.83
Calculation factor	Y	0.72
Calculation factor	Y₀	0.4

Mass

Mass bearing

9.65

Model Number: 31321 X
Inner Diameter：105mm Outer Diameter：225mm Width：58mm
Reference speed:3000 r/min Limiting speed:2000 r/min
Type：Bearings, units and housings Roller bearings Tapered roller bearings Single row tapered roller bearings
Details： Single row tapered roller bearings Tapered roller bearings, single row
Update date：2026-04-16
Application:office outdoor camping equipment,motorcycle,Medical room equipment,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,paint paint,chuck industry,food add,Insect Count,hydraulic pump,cleaners,quality inspection equipment
Similar models:31321 X
BEARING POWER International Trading Co.,Ltd. specialize in 31321X products，there is large inventory of SKF 31321 X Single row tapered roller bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 31321 X Which SKF 31321X is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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