Ball Bearing, Double-Row Angular Contact
Caution
- Some of the items are scheduled to be discontinued as of end of March in 2023. The manufacturer keep the items produced but they are not available with Misumi.
There are not the replacement items and the plan to resumption of sale. Please check the quotation and order screen for details.
Product Description
A bearing with a structure in which single-row angular ball bearings are combined on the back (DB) and the inner and outer rings are integrated.
[Features]
・ The contact angle is 25°.
・ It can receive radial load and axial load in both directions, and also has a load capacity for moment load.
・ This bearing is also available in a sealed type or a shield type, and the rated load changes compared to the open type.
[Applications]
・ Machine Tools.
・ Feed screw mechanism.
・ Ball screw support unit.
Drawing
Product features details
Double-row angular ball bearings with single-row angular ball bearings combined on the back to integrate the inner and outer rings
It has a structure in which single-row angular ball bearings are combined on the back side (DB) and the inner and outer rings are integrated, and the contact angle is 25°. It can receive radial load and axial load in both directions, and also has a load capacity for moment load. In addition, this bearing is also available in a sealed type or a shield type (see the figure below), and the rated load changes compared to the open type.
Double-Row Angular Ball Bearing
Open type, shield type, non-contact seal type, contact seal type
Standard retainer type
The table below shows the standard retainer types for angular ball bearings.
| Classification | Bearing series | Resin molding retainer | Pressed retainer | Machined retainer |
|---|---|---|---|---|
| Double row | 52 | - | 5200S ~5217S | - |
| 53 | - | 5302S ~5314S | - |
* The resin molding retainer cannot be used at high temperatures exceeding 120°C due to its material properties.