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 120 BTN9/HCP4CDB

BTM 120 BTN9/HCP4CDB

Dimensions

d		120	mm
D		180	mm
H		54	mm
d₁		147.7	mm
D₁		165	mm
r_1,2	min.	2	mm
r_3,4	min.	1	mm

Abutment dimensions

d_a	min.	129	mm
D_a	max.	175	mm
r_a	max.	2	mm
r_b	max.	1	mm
d_n		144.1	mm

Calculation data

Basic dynamic load rating	C	69.5	kN
Basic static load rating	C₀	166	kN
Fatigue load limit	P_u	5.7	kN
Attainable speed for grease lubrication		5700	r/min
Attainable speed for oil-air lubrication		6800	r/min
Preload class A		850	N
Preload class B		2550	N
Static axial stiffnes for preload A		720	N/µm
Static axial stiffnes for preload B		1093	N/µm
Reference grease quantity	G_ref	40	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

4.2

Model Number: BTM 120 BTN9/HCP4CDB
Inner Diameter：120mm Outer Diameter：180mm Width：54mm
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：2026-04-17
Application:,food sterilization,noise inspection,electric hydraulic lifting platform,roller lathe,car instrument,molding machine,equipment,security equipment,animal,pneumatic Pump
Similar models:GS 81120 361205 R BD-23120 CCK/W33-AHX 3120 81207 TN PWM 10512080 361201 R 249/1120 CAK30F/W33 PSM 061208 A51 1202 ETN9 51201 V/HR11Q1
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