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 85 ATN9/P4CDB

BTM 85 ATN9/P4CDB

Dimensions

d		85	mm
D		130	mm
H		40.5	mm
d₁		105.8	mm
D₁		118.7	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm

Abutment dimensions

d_a	min.	91	mm
D_a	max.	126	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		102.9	mm

Calculation data

Basic dynamic load rating	C	33.5	kN
Basic static load rating	C₀	78	kN
Fatigue load limit	P_u	3.15	kN
Attainable speed for grease lubrication		7300	r/min
Attainable speed for oil-air lubrication		9300	r/min
Preload class A		300	N
Preload class B		900	N
Static axial stiffnes for preload A		259	N/µm
Static axial stiffnes for preload B		390	N/µm
Reference grease quantity	G_ref	16.8	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

1.85

Model Number: BTM 85 ATN9/P4CDB
Inner Diameter：85mm Outer Diameter：130mm Width：40.5mm
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:gas turbine,Spectral Products,chemical raw materials and reagents,tube,ignition system,Rolling mill gear box,Textile Industry Accessories and Accessories,marine test,rubber products machinery and equipment,orthodontic material,generator
Similar models:NCF 28/850 V 608/850 MB 240/850 ECAK30/W33 PCM 8085100 M BT2B 328580/HA1 P 85 R-1.1/2 TF P 85 PWM 758550 C 30/850 KMB 61856
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11340	28.575	50.8	6.35	Seals
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57505	146.05	168.28	12.7	Seals
61810	50	65	7	Bearings, units and housings
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KM 24	20	-	120	Bearings, units and housings
S71917 CB/P4A	85	120	18	Bearings, units and housings
SAF 1617 x 2.7/8 T	73.025	-	-	Bearings, units and housings
SAF 22611 x 2	50.8	-	-	Bearings, units and housings
SAKB 22 F	22	-	28	Bearings, units and housings

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