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 ATN9/P4CDB

BTM 120 ATN9/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	58.5	kN
Basic static load rating	C₀	146	kN
Fatigue load limit	P_u	5	kN
Attainable speed for grease lubrication		5200	r/min
Attainable speed for oil-air lubrication		6700	r/min
Preload class A		600	N
Preload class B		1800	N
Static axial stiffnes for preload A		377	N/µm
Static axial stiffnes for preload B		571	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 ATN9/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：2026-06-25
Application:Other Machine Tools,Garment Accessories,Traffic Fire Protection Equipment Security equipment,Sensors,Blood coagulation reagent,Medium and large motor,Laser Cutting,centrifugal pump,miscellaneous instruments,static control,diagnostic test paper
Similar models:51204 51200 V/HR11Q1 51203 V/HR22T2 PSM 081206 A51 51205 V/HR22Q2 PWM 160180120 PCM 11512070 M 511/1120 F 361200 R 51207
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Model No. Inner Diameter Outer Diameter Width Type

23144 CC/W33
300x335x18 HDS2 R
65x110x10 HMS5 RG
70/1120 AMB
PBM 160180160 M1G1

Purchase the SKF BTM 120 ATN9/P4CDB Please fill in the following

Hot number： 209-2Z 2206 EKTN9 + H 306 313823 47890/47820 71919 CB/P4A 73730 BT2B 328695 A/HA1 C 4026 K 37x42x17 NUP 2308 ECML PWM 202420 RNA 4915 SIR 40 ES SSAFS 22515 x 2.3/8 T YSPAG 207-106

Model No.	Inner Diameter	Outer Diameter	Width	Type
23144 CC/W33
300x335x18 HDS2 R
65x110x10 HMS5 RG
70/1120 AMB
PBM 160180160 M1G1