Bearings, units and housings -- Super-precision bearings -- Double direction angular contact thrust ball bearings -- Angular contact thrust ball bearings, double direction, super-precision -- SKF BTW 85 CTN9/SP

BTW 85 CTN9/SP

Dimensions

d		85	mm
D		130	mm
H		54	mm
d₁		111.2	mm
2C		27	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm

Abutment dimensions

d_a	min.	102	mm
D_a	min.	122.3	mm
D_a	max.	124	mm
r_a	max.	1	mm
r_b	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	48.8	kN
Basic static load rating	C₀	146	kN
Fatigue load limit	P_u	6.7	kN
Attainable speed for grease lubrication		5600	r/min
Attainable speed for oil-air lubrication		6700	r/min
Preload		600	N
Static axial stiffness		763	N/µm
Reference grease quantity	G_ref	11.2	cm³

Mass

Mass bearing

2.05

Model Number: BTW 85 CTN9/SP
Inner Diameter：85mm Outer Diameter：130mm 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：2026-04-16
Application:Industrial Electromechanical,food / grain / food equipment,stamping die,powder metallurgy,turret industry,machine tool spindle,Hydraulic Equipment,animal,small diesel generators,wheel lathe,gear grinding machine
Similar models:BT2B 334085 A/HA1VA928 PCM 252850 M AOH 241/850 HME 30/850 812/850 M NNC 4852 CV NCF 1856 V NNU 41/850 M/W33 NK 85/35 PCM 859030 M
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Model No.	Inner Diameter	Outer Diameter	Width	Type
13419	33.7312	58.72	11	Seals
24022-2RS5/VT143	110	170	60	Bearings, units and housings
48x70x10 HMSA10 V	48	70	10	Seals
591/630 F	630	750	73	Bearings, units and housings
665/653	85.725	146.05	41.275	Bearings, units and housings
7517	19.05	34.93	6.35	Seals
BT4B 328294/HA1	380	560	-	Bearings, units and housings
HE 2324 E	107.95	155	112	Bearings, units and housings
NKI 12/20	12	24	20	Bearings, units and housings
SNL 3038 TURT	170	-	-	Bearings, units and housings
SAF 23048 KA x 8.1/2	215.9	-	-	Bearings, units and housings
WS 89413	65		15	Bearings, units and housings

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Hot number： 12531 16002/HR22T2 24255 32011 X/DF 539/532 A 626-RSL 7021 CD/P4AL 71909 ACD/P4A 90146 90889 FSAF 22615 TLC NKI 50/25 RIS 206 A SAF 1522 x 3.13/16 T SSAFS 22534 x 5.7/8 TLC