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：2026-06-24
Application:Optical Instruments,Sensors,DC generators,Machine Tool Accessories,mobile toilet,Security Equipment,Insect Count,coal mill,Automobile,air conditioning tools,sucker industry
Similar models:W 61807-2RZ BD-23180-2CS5K/VT143-OH 3180 HE BTM 180 AM/P4CDB W 61806 R-2Z C 3180 KM NRT 180 B 71809 CD/HCP4 SNL 3180 ATURT 81180 M 71806 ACD/P4
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Model No. Inner Diameter Outer Diameter Width Type

470416
6203-2Z/VA201
AXK 4060
N 1022 KTN9/SP
YET 210

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Hot number： 25725 32010T50 X/DB 51118 4050776 45x75x8 HMSA10 RG 530 VRME R 61904 71832 ACD/HCP4 GE 180 ES-2RS KMT 30 LM 67048/010 SAFS 23056 KA x 10.1/2 SAF 1513 SAF 22615 x 2.3/8 SAFS 23040 KAT x 7.3/16

Model No.	Inner Diameter	Outer Diameter	Width	Type
470416
6203-2Z/VA201
AXK 4060
N 1022 KTN9/SP
YET 210