Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Single row tapered roller bearings -- Tapered roller bearings, single row SKF 665/653

665/653

SKF Explorer

Dimension series

655

Dimensions

d		85.725	mm
D		146.05	mm
T		41.275	mm
d₁	≈	113.52	mm
B		41.275	mm
C		31.75	mm
r_1,2	min.	3.5	mm
r_3,4	min.	3.3	mm
a		32.421	mm

Abutment dimensions

d_a	max.	96	mm
d_b	min.	100	mm
D_a	min.	125	mm
D_a	max.	133.5	mm
D_b	min.	138	mm
C_a	min.	6	mm
C_b	min.	9.5	mm
r_a	max.	3.5	mm
r_b	max.	3.3	mm

Calculation data

Basic dynamic load rating	C	270	kN
Basic static load rating	C₀	320	kN
Fatigue load limit	P_u	35.5	kN
Reference speed		3600	r/min
Limiting speed		4300	r/min
Calculation factor	e	0.4
Calculation factor	Y	1.5
Calculation factor	Y₀	0.8

Mass

Mass bearing

2.64

Model Number: 665/653
Inner Diameter：85.725mm Outer Diameter：146.05mm Width：41.275mm
Reference speed:4300 r/min Limiting speed:3600 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：2026-04-16
Application:key lock,X-ray Equipment,atomizer class,Seals,Hair styling device,rubber products machinery and equipment,water protection,hydraulic control element,orthodontic material,rehabilitation training equipment,CNC
Similar models:665/653 56425/56650
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87166	-	-	63.5	Seals
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SHR 70	70	-	-	Coupling systems
W 626 R-2Z	6	19	6	Bearings, units and housings

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