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：2025-12-09
Application:agriculture,medical treatment,ultra-quiet generators,metallurgical mold,paper processing machine,labor insurance,Low-voltage electrical equipment,Industrial,Insect Capture,noise reduction equipment,Spectral Products
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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
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2200213	558.8	596.9	19.05	Seals
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81148 M	240	300	45	Bearings, units and housings
7018 CE/P4A	90	140	24	Bearings, units and housings
99138	34.925	41.6052	15.875	Seals
BD-C 3060 KM-OH 3060 H	280	460	118	Bearings, units and housings
ECY 210	-	-	-	Bearings, units and housings
NJ 324 ECP	120	260	55	Bearings, units and housings
NJG 2315 VH	75	160	55	Bearings, units and housings
SAFS 23034 KAT x 5.13/16	147.6375	-	-	Bearings, units and housings
YSP 211 SB-2F	56.67	100	40	Bearings, units and housings

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