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 90 ATN9/P4CDB

BTM 90 ATN9/P4CDB

Dimensions

d		90	mm
D		140	mm
H		45	mm
d₁		113	mm
D₁		127.1	mm
r_1,2	min.	1.5	mm
r_3,4	min.	1	mm

Abutment dimensions

d_a	min.	97	mm
D_a	max.	135	mm
r_a	max.	1.5	mm
r_b	max.	1	mm
d_n		109.7	mm

Calculation data

Basic dynamic load rating	C	39	kN
Basic static load rating	C₀	91.5	kN
Fatigue load limit	P_u	3.55	kN
Attainable speed for grease lubrication		6800	r/min
Attainable speed for oil-air lubrication		8700	r/min
Preload class A		400	N
Preload class B		1200	N
Static axial stiffnes for preload A		292	N/µm
Static axial stiffnes for preload B		441	N/µm
Reference grease quantity	G_ref	22	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

2.45

Model Number: BTM 90 ATN9/P4CDB
Inner Diameter：90mm Outer Diameter：140mm Width：45mm
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：2026-07-22
Application:medical equipment,electromyography machine,reinforced machinery,Grinding and polishing equipment,Hairbrush device,glass,stirrer,defogging and degreasing,test laboratory equipment and accessories,Ball screw,Hydraulic Press
Similar models:MS 31/900 NCF 28/900 V S71909 ACE/P4A GEC 900 FBAS W 61901 R-2RS1 71906 CB/P4A RNA 4904 BT4B 328912 G/HA1VA901 71901 ACE/HCP4A BT4B 328974 G/HA1VA901
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Model No. Inner Diameter Outer Diameter Width Type

305704 C-2Z
34383
KRV 26 PPXA
PBM 405040 M1G1
PCM 040510 E/VB055

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Hot number： 61901 6215 M 71906 ACB/HCP4A 71912 CD/P4AL 71921 ACD/P4AL FBSA 204/QFC K 81252 M NU 320 ECN1ML OKC 400 OKCS 330 SHR 20 SSAFS 22530 SSAFS 22544 x 7.13/16 TLC SYE 3 1/2-18 W 617/3

Model No.	Inner Diameter	Outer Diameter	Width	Type
305704 C-2Z
34383
KRV 26 PPXA
PBM 405040 M1G1
PCM 040510 E/VB055