Bearings, units and housings -- Super-precision bearings -- Double direction angular contact thrust ball bearings -- Angular contact thrust ball bearings, double direction, super-precision -- SKF BTM 80 ATN9/HCP4CDB

BTM 80 ATN9/HCP4CDB

Dimensions

d		80	mm
D		125	mm
H		40.5	mm
d₁		100.8	mm
D₁		113.7	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm

Abutment dimensions

d_a	min.	86	mm
D_a	max.	121	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		97.9	mm

Calculation data

Basic dynamic load rating	C	33.5	kN
Basic static load rating	C₀	73.5	kN
Fatigue load limit	P_u	3.1	kN
Attainable speed for grease lubrication		9600	r/min
Attainable speed for oil-air lubrication		11500	r/min
Preload class A		300	N
Preload class B		900	N
Static axial stiffnes for preload A		280	N/µm
Static axial stiffnes for preload B		422	N/µm
Reference grease quantity	G_ref	16	cm³

Notes

Speed values are applicable to bearings with light preload (suffix DBA). For bearings with a heavy preload (suffix DBB), attainable speeds are about 75% of the quoted values.

Mass

Mass bearing

1.65

Model Number: BTM 80 ATN9/HCP4CDB
Inner Diameter：80mm Outer Diameter：125mm Width：40.5mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Super-precision bearings Double direction angular contact thrust ball bearings Angular contact thrust ball bearings, double direction, super-precision
Details： Angular contact thrust ball bearings, double direction, super-precision
Update date：2025-12-09
Application:motor,reinforced machinery,sterilizers,small appliances,economic mold,Insect Count,ventilator anesthesia machine etc,Textile Accessories,flow control valve,metallurgy,wall industry
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