Angular Contact Ball Bearing

Angular Contact Ball Bearing

Double row angular contact ball bearing installation is more complex than deep groove ball bearings, mostly in pairs and requires preloading. The installation is good, the working accuracy and bearing life of the main machine can be greatly improved; otherwise, the accuracy will not be met, and the service life will be affected.

There are three types of double row angular contact ball bearing installations: back-to-back, face-to-face and series. So what are the characteristics and benefits of each of these three installation forms?When installed back to back (the wide end faces of the two bearings are opposite), the contact angle of the double row angular contact ball bearing is diffused in the direction of the rotation axis, which can increase the radial and axial support angle rigidity and the maximum deformation resistance.

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When mounted face to face (opposite to the narrow end faces of the two bearings), the contact angle of the double row angular contact ball bearing converges toward the axis of rotation, and the ground bearing angle is less rigid. Since the inner ring of the bearing protrudes from the outer ring, when the outer rings of the two bearings are pressed together, the original gap of the outer ring is eliminated, and the preload of the double row angular contact ball bearing can be increased;

When the series arrangement (the wide end faces of the two bearings are in one direction), the contact angles of the double row angular contact ball bearing are the same and parallel, so that the two bearings share the working load in the same direction. However, in order to ensure the axial stability of the installation when using this type of mounting, two pairs of bearings arranged in series must be mounted opposite each other at both ends of the shaft.

In addition, pay attention to one parameter during the installation process, and obtain the preload. Preloading can be done by grinding the end face of a ferrule in the double row angular contact ball bearing or by placing two spacers of different thickness between the inner and outer rings of a pair of double row angular contact ball bearings, clamping the bearings together so that The steel ball is obtained in close contact with the raceway.

parameter

70 Series (High Speed): contact us for more

Model Number	Model Number2	Inner Diameter	Outer Diameter	Width
706C	706AC	6 mm	17 mm	6 mm
708C	708AC	8 mm	22 mm	7 mm
7000C	7000AC	10 mm	26 mm	8 mm
7001C	7001AC	12 mm	28 mm	8 mm
7002C	7002AC	15 mm	32 mm	9 mm
7003C	7003AC	17 mm	35 mm	10 mm
7004C	7004AC	20 mm	42 mm	12 mm
7005C	7005AC	25 mm	47 mm	12 mm
7006C	7006AC	30 mm	55 mm	13 mm
7007C	7007AC	35 mm	62 mm	14 mm

70 Series (High Speed): contact us for more

Model Number	Model Number2	Inner Diameter	Outer Diameter	Width
706C	706AC	6 mm	17 mm	6 mm
708C	708AC	8 mm	22 mm	7 mm
7000C	7000AC	10 mm	26 mm	8 mm
7001C	7001AC	12 mm	28 mm	8 mm
7002C	7002AC	15 mm	32 mm	9 mm
7003C	7003AC	17 mm	35 mm	10 mm
7004C	7004AC	20 mm	42 mm	12 mm
7005C	7005AC	25 mm	47 mm	12 mm
7006C	7006AC	30 mm	55 mm	13 mm
7007C	7007AC	35 mm	62 mm	14 mm

718 Series (High Speed): contact us for more

Model Number	Model Number2	Inner Diameter	Outer Diameter	Width
71800C	71800AC	10 mm	19 mm	5 mm
71801C	71801AC	12 mm	21 mm	5 mm
71802C	71802AC	15 mm	24 mm	5 mm
71803C	71803AC	17 mm	26 mm	5 mm
71804C	71804AC	20 mm	32 mm	7 mm
71805C	71805AC	25 mm	37 mm	7 mm
71806C	71806AC	30 mm	42 mm	7 mm
71807C	71807AC	35 mm	47 mm	7 mm
71808C	71808AC	40 mm	52 mm	7 mm
71809C	71809AC	45 mm	58 mm	7 mm

719 Series (High Speed): contact us for more

Model Number	Model Number2	Inner Diameter	Outer Diameter	Width
71900C	71900AC	10 mm	22 mm	6 mm
71901C	71901AC	12 mm	24 mm	6 mm
71902C	71902AC	15 mm	28 mm	7 mm
71903C	71903AC	17 mm	30 mm	7 mm
71904C	71904AC	20 mm	37 mm	9 mm
71905C	71905AC	25 mm	42 mm	9 mm
71906C	71906AC	30 mm	47 mm	9 mm
71907C	71907AC	35 mm	55 mm	10 mm
71908C	71908AC	40 mm	62 mm	12 mm
71909C	71909AC	45 mm	68 mm	12 mm

TAC Series (Ball screw support): contact us for more

Model Number	Inner Diameter	Outer Diameter	Width
15TAC47B	15 mm	47 mm	15 mm
17TAC47B	17 mm	47 mm	15 mm
20TAC47B	20 mm	47 mm	15 mm
25TAC62B	25 mm	62 mm	15 mm
30TAC62B	30 mm	62 mm	15 mm
35TAC72B	35 mm	72 mm	15 mm
40TAC72B	40 mm	72 mm	15 mm
40TAC90B	40 mm	90 mm	20 mm

TAC Series (Ball screw support): contact us for more

Model Number	Inner Diameter	Outer Diameter	Width
15TAC47B	15 mm	47 mm	15 mm
17TAC47B	17 mm	47 mm	15 mm
20TAC47B	20 mm	47 mm	15 mm
25TAC62B	25 mm	62 mm	15 mm
30TAC62B	30 mm	62 mm	15 mm
35TAC72B	35 mm	72 mm	15 mm
40TAC72B	40 mm	72 mm	15 mm
40TAC90B	40 mm	90 mm	20 mm

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