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 BTN9/HCP4CDB

BTM 80 BTN9/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	39	kN
Basic static load rating	C₀	85	kN
Fatigue load limit	P_u	3.55	kN
Attainable speed for grease lubrication		8400	r/min
Attainable speed for oil-air lubrication		10000	r/min
Preload class A		400	N
Preload class B		1200	N
Static axial stiffnes for preload A		472	N/µm
Static axial stiffnes for preload B		705	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 BTN9/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：2026-04-16
Application:electronic materials,tower crane,Industrial,Automobile,pneumatic,fruit and vegetable processing,economic mold,Leather Products,Optical Instruments,small diesel generators,Animal Tracking
Similar models:SIL 80 TXE-2LS BD-231/800 CAK/W33-OH 31/800 H SNL 3280 G W 63800 R-2Z 51280 F 61805-2RS1 EE 752305/752380 29480 E PBMF 21023080 M1G1 61805-2RZ
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