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：2026-04-16
Application:motor,Pneumatic Control Elements,pump accessories,food / grain / food equipment,Antenna Industry,boring bar boring bar,trolley,Surveying Surveying Instruments,noise reduction equipment,circulating pump,Spectral Products
Similar models:30308T72/DB 30308
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