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：2025-11-27
Application:spectrometer,embroidery cloth,Dental Drill etc,electromyography machine,generator,Microwave Equipment,bathroom facilities,experimental equipment,training beds etc,Hydraulic Couplings,electric pump
Similar models:PCM 28028580 E PBMF 708535 M1G1 IR 85x95x26 GEP 850 FS PBM 708590 M1G1 NNCL 4852 CV PCM 180185100 E PCM 859030 E PWM 859580 238/850 CAKMA/W20
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Model No.	Inner Diameter	Outer Diameter	Width	Type
170x200x15 HMS5 RG	170	200	15	Seals
27467	69.85	98.45	11.13	Seals
6207/HC5C3	35	72	17	Bearings, units and housings
65x80x8 HMSA10 RG	65	80	8	Seals
99349	89	97.6376	20.6502	Seals
C 3068 M	340	520	133	Bearings, units and housings
FYTB 50 WDW	50	-	-	Bearings, units and housings
NCF 2918 CV	90	125	22	Bearings, units and housings
NJ 314 ECM	70	150	35	Bearings, units and housings
PWM 10512080	105	120	80	Bearings, units and housings
SAF 23038 KAT x 6.13/16	173.0375	-	-	Bearings, units and housings
W 61800 R	10	19	5	Bearings, units and housings

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Hot number： BD-23024 CCK/W33-H 3024 23122 CC/W33 BT2B 328615 FYR 2 11/16 GEZ 312 ESL-2LS HE 210 JM 511946/910 NJ 305 ECML NK 26/20 NU 2207 ECP PRM 182120 S71911 ACB/P4A SAFS 23052 KA x 9.7/16 SY 20 WDW YAR 209-112-2FW/VA228