Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Single row tapered roller bearings -- Tapered roller bearings, single row SKF 31320 X

31320 X

Dimension series

7GB

Dimensions

d		100	mm
D		215	mm
T		56.5	mm
d₁	≈	158.61	mm
B		51	mm
C		35	mm
r_1,2	min.	4	mm
r_3,4	min.	3	mm
a		64.953	mm

Abutment dimensions

d_a	max.	121	mm
d_b	min.	116	mm
D_a	min.	168	mm
D_a	max.	202.5	mm
D_b	min.	202	mm
C_a	min.	7	mm
C_b	min.	21.5	mm
r_a	max.	4	mm
r_b	max.	3	mm

Calculation data

Basic dynamic load rating	C	399	kN
Basic static load rating	C₀	465	kN
Fatigue load limit	P_u	51	kN
Reference speed		2200	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

8.62

Model Number: 31320 X
Inner Diameter：100mm Outer Diameter：215mm Width：56.5mm
Reference speed:3000 r/min Limiting speed:2200 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：2026-06-24
Application:storage and transportation equipment,hydraulic cylinder buffer,hydraulic actuator,Special Equipment,packaging machinery,wall materials,food / grain / food equipment,relay,DC generators,medical Equipment,engine
Similar models:31320 X 31320T125 X/DB 31320 X/DF
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Model No. Inner Diameter Outer Diameter Width Type

50x65x10 HMSA10 V
6200 NR
KMT 40
RNAO 90x105x26
TUWK 1.1/4 ALTHR

Purchase the SKF 31320 X Tapered roller bearings, single row Please fill in the following

Hot number： 11111 220x250x15 HMS5 RG 7014 CD/P4AL 7032 CD/HCP4AL 90774 BT4B 331077 AG/HA1 HK 1010 MB 18 A NJ 28/530 ECMA NUP 208 ECM SAF 22309 SAF 22638 x 6.13/16 W 6009-2RZ W 629-2RS1 XHCE 070/OK 180

Model No.	Inner Diameter	Outer Diameter	Width	Type
50x65x10 HMSA10 V
6200 NR
KMT 40
RNAO 90x105x26
TUWK 1.1/4 ALTHR