Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Matched tapered roller bearings -- Matched single row tapered roller bearings arranged back-to-back SKF 30308T72/DB

30308T72/DB

Dimensions

d		40	mm
D		90	mm
T		72	mm
d₁	≈	62.55	mm
C		61.5	mm
l		21.5	mm
b		9	mm
K		6	mm
r_1,2	min.	2	mm
r₅	min.	0.6	mm
a		59.563	mm

Abutment dimensions

d_b	min.	49.5	mm
D_b	min.	82	mm
C_b	min.	49.5	mm
r_a	max.	2	mm
r_c	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	182	kN
Basic static load rating	C₀	190	kN
Fatigue load limit	P_u	21.6	kN
Reference speed		5300	r/min
Limiting speed		8000	r/min
Calculation factor	e	0.35
Calculation factor	Y₁	1.9
Calculation factor	Y₂	2.9
Calculation factor	Y₀	1.8

Mass

Mass bearing pair

1.88

Model Number: 30308T72/DB
Inner Diameter：40mm Outer Diameter：90mm Width：-mm
Reference speed:8000 r/min Limiting speed:5300 r/min
Type：Bearings, units and housings Roller bearings Tapered roller bearings Matched tapered roller bearings
Details： Matched tapered roller bearings Matched single row tapered roller bearings arranged back-to-back
Update date：2026-06-26
Application:small appliances,hydraulic cylinder,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,car instrument,inorganic chemical,comprehensive experiment,respirator,large agricultural machinery,axle lathe,medical equipment,ventilation heating equipment
Similar models:30308T72/DB 30308
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Model No. Inner Diameter Outer Diameter Width Type

2050557
BT2-8020
FSAF 1518 x 3.1/8
GEP 750 FS
HJ 330 EC

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Hot number： 24052 CCK30/W33 400384 470421 51268 F 6012 6231 790x850x25 HDS1 V 99365 C 2208 V C 2244 FNL 516 A FYTB 1.3/16 LDW NUTR 50110 X W 6001-2RS1/VP311 W 6010-2Z

Model No.	Inner Diameter	Outer Diameter	Width	Type
2050557
BT2-8020
FSAF 1518 x 3.1/8
GEP 750 FS
HJ 330 EC