Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Single row tapered roller bearings -- Tapered roller bearings, single row SKF 31309

31309

SKF Explorer

Dimension series

7FB

Dimensions

d		45	mm
D		100	mm
T		27.25	mm
d₁	≈	74.7	mm
B		25	mm
C		18	mm
r_1,2	min.	2	mm
r_3,4	min.	1.5	mm
a		31.023	mm

Abutment dimensions

d_a	max.	57	mm
d_b	min.	55	mm
D_a	min.	79	mm
D_a	max.	92	mm
D_b	min.	95	mm
C_a	min.	4	mm
C_b	min.	9	mm
r_a	max.	2	mm
r_b	max.	1.5	mm

Calculation data

Basic dynamic load rating	C	113	kN
Basic static load rating	C₀	102	kN
Fatigue load limit	P_u	12.5	kN
Reference speed		5000	r/min
Limiting speed		6700	r/min
Calculation factor	e	0.83
Calculation factor	Y	0.72
Calculation factor	Y₀	0.4

Mass

Mass bearing

0.95

Model Number: 31309
Inner Diameter：45mm Outer Diameter：100mm Width：27.25mm
Reference speed:6700 r/min Limiting speed:5000 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：2026-07-24
Application:welding equipment,Spectrum Products,luminescent reagent,pipe fittings Steel industry,cleaning agent,mechanical and electrical,Film machine,Other Machine Tools,Animal Tracking,atomizer class,milling head plug
Similar models:31309T62.5/DB 31309/DF 31309
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Model No. Inner Diameter Outer Diameter Width Type

GEH 20 TXE-2LS
LS 150190
NU 28/850 MA
PCM 151725 E
TU 1.3/16 TF

Purchase the SKF 31309 Tapered roller bearings, single row Please fill in the following

Hot number： 241/560 ECK30J/W33 25074 294/630 EM 52307 7308 BEP 810 VE R GB 3038 KRE 32 PPA N 05 NU 414 RNU 212 ECP SNL 3040 G SNP 3068x12.7/16 SAF 23026 KATLC x 4.1/2 SSAFS 22522 x 3.7/8 T

Model No.	Inner Diameter	Outer Diameter	Width	Type
GEH 20 TXE-2LS
LS 150190
NU 28/850 MA
PCM 151725 E
TU 1.3/16 TF