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 70 CTN9/SP

BTW 70 CTN9/SP

Dimensions

d		70	mm
D		110	mm
H		48	mm
d₁		93.5	mm
2C		24	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm

Abutment dimensions

d_a	min.	85	mm
D_a	min.	103.4	mm
D_a	max.	105	mm
r_a	max.	1	mm
r_b	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	39	kN
Basic static load rating	C₀	112	kN
Fatigue load limit	P_u	5.3	kN
Attainable speed for grease lubrication		6700	r/min
Attainable speed for oil-air lubrication		8000	r/min
Preload		515	N
Static axial stiffness		673	N/µm
Reference grease quantity	G_ref	7.4	cm³

Mass

Mass bearing

1.36

Model Number: BTW 70 CTN9/SP
Inner Diameter：70mm Outer Diameter：110mm Width：48mm
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:pump industry,hydraulic cylinder,Processing machinery,Pneumatic Actuator,agrochemical,medical equipment,sample cup,pneumatic Pump,EEG,blood cell reagent,internal combustion engine
Similar models:C 30/670 KM 7026 ACD/HCP4A 7004 CD/P4AH BT4B 328704 G/HA1 S7003 CE/P4A S7002 ACD/HCP4A 7038 CD/P4AH1 S7030 CD/P4A W 61700 X-2RS1 AXK 7095
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Model No.	Inner Diameter	Outer Diameter	Width	Type
45x85x8 CRW1 R	45	85	8	Seals
6210/HR22T2	50	90	20	Bearings, units and housings
7305 BECBP	25	62	17	Bearings, units and housings
7012 ACE/HCP4A	60	95	18	Bearings, units and housings
85073	-	-	25.4	Seals
99276	70	79.375	24.003	Seals
HA 3134	150.8125	220	122	Bearings, units and housings
KM 6	7	-	30	Bearings, units and housings
NU 2312 ECP	60	130	46	Bearings, units and housings
SILA 40 ES-2RS	40	-	28	Bearings, units and housings
W 618/5 R	5	11	3	Bearings, units and housings
W 61906-2RS1	30	47	9	Bearings, units and housings

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