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Ball Bearing, Precision Angular Contact (7910UCDB/GNP4)
- Volume Discount
Accuracy grade 4 and 5 precision angular contact ball bearings.
Part Number
Configured Part Number is shown.
7910UCDB/GNP4
Drawing
Product features details
Structure and features
Angular Contact Ball Bearings are non-separable bearings, and the straight line connecting the contact points between the balls and the inner and outer rings has a certain angle (contact angle) with respect to the radial direction (see Fig. 1). The contact angle and contact angle symbol are shown in Table 1.
A radial load and a unidirectional axial load can be applied. Also, when a radial load acts, an axial component force is generated, so 2 pcs. are generally used facing each other. Table 2 shows Angular Contact Ball Bearings, and Table 3 shows Combined Angular Contact Ball Bearings.
Please refer to Precision Rolling Bearing (CAT.No.2260/J) for bearings with a contact angle of 15° and bearing accuracy of JIS Class 5 or higher.
Fig. 1
Table 1 Contact angle and contact symbol
| Contact Angle | 15° | 30° | 40° |
|---|---|---|---|
| Symbol of contact angle | C | A1) | B |
*1) Contact symbol A is omitted.
Table 2 Classification and characteristics of Angular Contact Ball Bearing
| Classification | Features |
|---|---|
| Standard type | ·The bearing series includes 79, 70, 72, 72B, 73 and 73B. ·The contact angles are 30° and 40° (with B). ·The standard retainer type depends on the bearing model. |
Table 3 Combination type and characteristics of Combined Angular Contact Ball Bearings
| Combination Type | Features |
|---|---|
| Bottom combination (DB) | ・ It can receive radial load and axial load in both directions. ·Since the distance l between the points of action of the bearing is large, the load capacity of the moment load is large. ·The allowable tilt angle is small. |
| Front combination (DF) | ・ It can receive radial load and axial load in both directions. ·The distance l between the points of action of the bearing becomes smaller, and the load capacity of the moment load is small. ・ The permissible tilt angle is larger than the back combination. |
| Parallel combination (DT) | ·Can receive radial load and unidirectional axial load. ·Since 2 pcs. receive an axial load, a large axial load can be received. |
Since it is manufactured as a set to adjust the internal clearance or preload of the bearing, bearings with the same product number must be used in combination.
| Part Number |
|---|
| 7910UCDB/GNP4 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | RoHS | Inner Dia. d (Ø) | Outer Dia. D (Ø) | Width B 1 (mm) | Raceway Ring Shape | Basic Dynamic Load Rating (N) | Specifications/Environment | Precision (JIS) | Number of Raceway Ring Rows | Max. Allowable Rotational Speed (rpm) | Combination of Angular Contact Ball Bearings | Retainer Type | Types | Contact angle symbol | Combination symbol | Preload Mark | Accuracy Symbol |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 1,276.91 | 1 Piece(s) | 6 Day(s) or more | 10 | 50 | 72 | 24 | Angular Bearing (Single) | 18900 | - | Grade 4 | Single Row | 19200 | Back Combination | Resin Forming | Bearing for the main shaft | C | DB | /GN | P4 |
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Basic Information
| Bearing Type | Open Type | Outer Ring Type | Flat | Inner/Outer Ring Material | Steel |
|---|---|---|---|---|---|
| Load Direction | Radial | Rolling Element Material | Steel | Size Standards | Metric System |
Specification/Dimensions
-
Specifications/Environment
- Standard
- For high Speed
-
type
- 70**U
- 72**
- 79**U
- BNT***
-
Inner Dia. d(Ø)
-
Outer Dia. D(Ø)
-
Width B 1(mm)
-
Raceway Ring Shape
-
Angular Bearing (Single) -
Angular Contact Ball (Double Row)
-
-
Basic Dynamic Load Rating(N)
-
Precision (JIS)
- Grade 0
- Grade 2
- Grade 4
- Grade 5
-
Number of Raceway Ring Rows
- Single Row
- Double Row
-
Combination of Angular Contact Ball Bearings
-
Back Combination -
Front Combination -
Tandem Arrangement
-
-
Retainer Type
- Punching
- Momi removing
- Resin Forming
-
Types
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- 2 Day(s) or Less
- 4 Day(s) or Less
- 6 Day(s) or Less
- 7 Day(s) or Less
- 8 Day(s) or Less
- 9 Day(s) or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Additional Products in this Category
- Bearings with Set Screws
- Ball Bearing, Heat Resistant/Grease Filled/Max Operating Temperature 160Deg.C
- Deep Groove Ball Bearing with Retaining Rings/Double Shielded/Stainless
- Single direction thrust ball bearing
- Single Thrust Ball Bearings
- Ultra-Thin, 6700, 6800, 6900 Metric Series
- Ultra-Thin Radial Ball Bearing A-Series Ultra-Thin Type
- Single-Row Deep Groove Ball Bearing
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