Bearings, units and housings -- Ball bearings -- Thrust ball bearings -- Thrust ball bearings, single direction -- SKF 53308 + U 308

53308 + U 308

Dimensions

d		40	mm
D		78	mm
H		28.5	mm
H₁		31	mm
d₁	≈	78	mm
D₁	≈	42	mm
D₂		60	mm
D₃		82	mm
C		8.5	mm
R		64	mm
s		28	mm
r_1,2	min.	1	mm

Abutment dimensions

d_a	min.	63	mm
D_a	max.	60	mm
r_a	max.	1	mm

Calculation data

Basic dynamic load rating	C	61.8	kN
Basic static load rating	C₀	122	kN
Fatigue load limit	P_u	4.5	kN
Reference speed		2800	r/min
Limiting speed		4000	r/min
Minimum load factor	A	0.077

Mass

Mass bearing (including seat washer where applicable)

0.67

Model Number: 53308 + U 308
Inner Diameter：40mm Outer Diameter：78mm Width：28.5mm
Reference speed:4000 r/min Limiting speed:2800 r/min
Type：Bearings, units and housings Ball bearings Thrust ball bearings Thrust ball bearings, single direction
Details： Thrust ball bearings, single direction
Update date：2025-12-09
Application:powder metallurgy,machine tool spindle,horizontal processing,luminescent reagent,screen filter,switch,Garment Accessories,Special Equipment,Hydraulic Couplings,vertical processing,Logistics Equipment
Similar models:53308 + U 308
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