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/P4CDB

BTM 120 BTN9/P4CDB

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		4600	r/min
Attainable speed for oil-air lubrication		5900	r/min
Preload class A		850	N
Preload class B		2550	N
Static axial stiffnes for preload A		649	N/µm
Static axial stiffnes for preload B		985	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

4.55

Model Number: BTM 120 BTN9/P4CDB
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：2025-12-09
Application:hydraulic control element,animal anatomy,hook,food sterilization,Hydraulic Equipment,static control,dynamic blood pressure,Beauty and Body,knitted fabrics,historical instruments,pipe fittings Steel industry
Similar models:51120 1203 ETN9 AXK 90120 11208 TN9 NU 30/1120 ECMA PCM 11512070 M GEH 120 TXA-2LS 51200 V/HR11Q1 PCM 11512050 M C 4120-2CS5V/GEM9
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