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 50 CTN9/SP

BTW 50 CTN9/SP

Dimensions

d		50	mm
D		80	mm
H		38	mm
d₁		67.5	mm
2C		19	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm

Abutment dimensions

d_a	min.	61	mm
D_a	min.	74.9	mm
D_a	max.	76	mm
r_a	max.	1	mm
r_b	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	22.5	kN
Basic static load rating	C₀	60	kN
Fatigue load limit	P_u	2.85	kN
Attainable speed for grease lubrication		9000	r/min
Attainable speed for oil-air lubrication		11000	r/min
Preload		415	N
Static axial stiffness		559	N/µm
Reference grease quantity	G_ref	3.3	cm³

Mass

Mass bearing

0.58

Model Number: BTW 50 CTN9/SP
Inner Diameter：50mm Outer Diameter：80mm Width：38mm
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：2024-12-13
Application:gantry processing,Cylinder Standard,gear grinding machine,dynamic blood pressure,drawing die,water,wall industry,Optical detection,non-ferrous metal alloy,animal anatomy,printing machinery
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Model No.	Inner Diameter	Outer Diameter	Width	Type
19x42x6 HMS5 RG	19	42	6	Seals
4050776	1028.7	1092.2	22.225	Seals
55x90x8 HMS5 RG	55	90	8	Seals
71900 ACE/P4AH	10	22	6	Bearings, units and housings
71920 ACD/P4AH1	100	140	20	Bearings, units and housings
85181	-	-	50.8	Seals
BT4-8117 E1/C475	350	480	-	Bearings, units and housings
FSYE 3 11/16 N	93.6625	-	-	Bearings, units and housings
FY 25 FM	25	-	-	Bearings, units and housings
OH 3156 H	260	350	195	Bearings, units and housings
TU 1.1/4 TF	31.75	-	-	Bearings, units and housings
W 61811	55	72	9	Bearings, units and housings

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