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 180 BM/P4CDB

BTM 180 BM/P4CDB

Dimensions

d		180	mm
D		280	mm
H		90	mm
d₁		226.5	mm
D₁		254.7	mm
r_1,2	min.	2.1	mm
r_3,4	min.	1.1	mm

Abutment dimensions

d_a	min.	191	mm
D_a	max.	274	mm
r_a	max.	2	mm
r_b	max.	1	mm
d_n		219.9	mm

Calculation data

Basic dynamic load rating	C	163	kN
Basic static load rating	C₀	425	kN
Fatigue load limit	P_u	11.8	kN
Attainable speed for grease lubrication		3000	r/min
Attainable speed for oil-air lubrication		3800	r/min
Preload class A		2100	N
Preload class B		6300	N
Static axial stiffnes for preload A		1000	N/µm
Static axial stiffnes for preload B		1504	N/µm
Reference grease quantity	G_ref	160	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

21.4

Model Number: BTM 180 BM/P4CDB
Inner Diameter：180mm Outer Diameter：280mm Width：90mm
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:Technical Equipment,Power equipment,baler,plastic rolling,welding equipment,manual Tools,pressure control valve,Industrial,Seals,education model Instruments,municipal machinery
Similar models:618/1180 MB 71808 ACD/HCP4 71800 CD/HCP4 PCM 180185100 E SNP 3180x14.15/16 W 61804-2Z 71809 CD/HCP4 GE 180 ESL-2LS 59180 F 61806-2RS1
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