Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Single row tapered roller bearings -- Tapered roller bearings, single row SKF 31311

31311

SKF Explorer

Dimension series

7FB

Dimensions

d		55	mm
D		120	mm
T		31.5	mm
d₁	≈	88.4	mm
B		29	mm
C		21	mm
r_1,2	min.	2.5	mm
r_3,4	min.	2	mm
a		37.064	mm

Abutment dimensions

d_a	max.	68	mm
d_b	min.	66.5	mm
D_a	min.	94	mm
D_a	max.	111	mm
D_b	min.	113	mm
C_a	min.	4	mm
C_b	min.	10.5	mm
r_a	max.	2.5	mm
r_b	max.	2	mm

Calculation data

Basic dynamic load rating	C	149	kN
Basic static load rating	C₀	137	kN
Fatigue load limit	P_u	16.6	kN
Reference speed		4300	r/min
Limiting speed		5600	r/min
Calculation factor	e	0.83
Calculation factor	Y	0.72
Calculation factor	Y₀	0.4

Mass

Mass bearing

1.54

Model Number: 31311
Inner Diameter：55mm Outer Diameter：120mm Width：31.5mm
Reference speed:5600 r/min Limiting speed:4300 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：2026-04-17
Application:enzyme,magnetic elements,test strip,pneumatic,reinforced machinery,electric hydraulic lifting platform,Medical printer,animal anatomy,metallurgical mold,glass processing machine,Sensors
Similar models:31311/DF 31311
BEARING POWER International Trading Co.,Ltd. specialize in 31311 products，there is large inventory of SKF 31311 Single row tapered roller bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 31311 Which SKF 31311 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
20x40x7 CRW1 R	20	40	7	Seals
BD-22218 EK-AHX 318	85	160	40	Bearings, units and housings
3202 A-2RS1TN9/MT33	15	35	15.9	Bearings, units and housings
33.2x47.3x11.8 TP	33.22	47.88	-	Seals
33015/DFC240	75	115	-	Bearings, units and housings
BD-C 3224 K-AHX 3224 G	115	215	76	Bearings, units and housings
NU 2356 MA	280	580	175	Bearings, units and housings
QJ 316 N2PHAS	80	170	39	Bearings, units and housings
RN-2x17.8 BF/G2	-	-	2	Bearings, units and housings
RNA 4838	210	240	50	Bearings, units and housings
SAF 22215 T	75	-	-	Bearings, units and housings
SAFS 22524 x 4.1/16 TLC	103.1875	-	-	Bearings, units and housings

Purchase the SKF 31311 Tapered roller bearings, single row Please fill in the following

Hot number： 315189 A 32314 B 35x48x8 HMS5 RG 635 7330 BCBM BMB-6208/080S2/UB008A EE 526130/526190 C 3096 KM IR 100x115x40 IR 30x35x17 K 81209 TN NU 213 ECM/C3VL0241 OH 32/670 H OKBS 73 SAFS 23040 KA x 7.1/4