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Search by Brand Pencarian dengan Merek
This translation is a Google translation Terjemahan ini adalah terjemahan Google
- Penghentian penjualan kategori produk pneumatik Seri Ekonomi (E-series). Info Detail
Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.
Angular Ball Bearing (7212ADB)
- On Sale Till 31/03/2025
Angular ball bearings that can receive a certain amount of axial (axial direction) load.
[Features]
・ The straight line connecting the contact points between the ball and the inner and outer rings has an angle with respect to the radial direction.
・ Radial load and unidirectional axial load can be applied.
・ When a radial load acts, an axial component force is generated, so 2 are generally used facing each other.
[Applications]
・ Ideal for machine tools, feed screw mechanisms, ball screw support units, etc.
- STOCK
(i)Caution
- The value in the "Width (mm)" column of the product specifications is the value for a single column even in the case of a combination of multiple columns. (Catalog B dimension)Please note that the width of the actual multi-row combination is twice the stated dimension (2B).
Part Number
Configured Part Number is shown.
7212ADB
Drawing
Mounting dimensional drawing
Mounting dimensional drawing
Product features details
・ Using
under conditions where an appropriate amount of grease is sealed, and the heat generated by sufficient familiar operation, cooling of the outer cylinder, etc., is removed.
・ Use with constant pressure preload.
Type, structure and features of angular ball bearings
Angular ball bearings are non-separable bearings, and the straight line connecting the contact points between the ball and the inner and outer rings has a certain angle (contact angle) with respect to the radial direction. (Refer to Figure 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 two are generally used facing each other. Table 2 shows the angular ball bearing,
Table 3 shows the combination angular ball bearings. For bearings with a contact angle of 15° and bearing accuracy of JIS 5 class or higher, refer to Precision Rolling Bearing (CAT. No. 2260/J).
Angular Ball Bearing
| Contact Angle | 15° | 30° | 40° |
|---|---|---|---|
| Symbol of contact angle | C | A1) | B |
*1) Contact angle symbol A is omitted.
Table 2 Classification and characteristics of angular ball bearings
| 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 number. (Please refer to Table 4) |
Table 3 Combination type and features of combination angular ball bearings
| Combination Type | Features |
|---|---|
| Back combination (DB) | ・ It can receive radial load and axial load in both directions. ・ Since the distance l between the working points 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 working points of the bearing is small, and the load capacity of the moment load is small. ・ The permissible tilt angle is larger than the back combination. |
| Parallel combination (DT) | ・ It can receive radial load and unidirectional axial load. ・ Since 2 pieces receive an axial load, a large axial load can be received |
Remarks 1. Since the bearings are manufactured as a set to adjust the internal clearance or preload amount of the bearings, bearings with the same product number must be used in combination.
Table 4 Standard retainer type for angular ball bearings
| Classification | Bearing series | Resin molding retainer | Pressed retainer | Machined retainer |
|---|---|---|---|---|
| Standard type | 79 70 72 73 72B 73B | 7904 to 7913 7000 to 7024 ― ― ― ― | ― ― 7200 to 7222 7300 to 7322 7200B~7222B 7300B~7322B | 7914 to 7960 7026 to 7040 7224 to 7240 7324 to 7340 7224B~7240B 7324B~7340B |
Note: The resin molding retainer cannot be used at high temperatures exceeding 120°C due to its material properties.
| Part Number |
|---|
| 7212ADB |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | RoHS | Inner Dia. d (Ø) | Outer Dia. D (Ø) | Width B (mm) | Raceway Ring Shape | Bearing Type | Outer Ring Type | Inner/Outer Ring Material | Basic Dynamic Load Rating (N) | Specifications/Environment | Precision (JIS) | Load Direction | Rolling Element Material | Size Standards | Number of Raceway Ring Rows | Max. Allowable Rotational Speed (rpm) | Combination of Angular Contact Ball Bearings | Retainer Type | Sealing Structure | Types | Ordering Code | Contact angle symbol | Combination symbol | Preload Mark | Accuracy Symbol | Holder Symbol | Internal change symbol |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1,438,748 IDR | 1 Piece(s) | 11 Day(s) or more | 10 | 60 | 110 | 44 | Angular Contact Ball (Double Row) | Open Type | Flat | Steel | 100000 | Standard | Grade 0 | Radial | Steel | Metric System | Double Row | 5300 | Back Combination | Punching | - | 7*** series | - | A | DB | - | - | - | - |
Loading...
Specification/Dimensions
-
Sealing Structure
- No seal
-
type
- 70**
- 72**
- 73**
- 79**
- 79**U
-
Inner Dia. d(Ø)
-
Outer Dia. D(Ø)
-
Width B(mm)
-
Raceway Ring Shape
-
Angular Bearing (Single) -
Angular Contact Ball (Double Row)
-
-
Bearing Type
-
Open Type
-
-
Outer Ring Type
- Flat
-
Inner/Outer Ring Material
- Steel
-
Basic Dynamic Load Rating(N)
- 5,100
- 7,600
- 8,300
- 9,400
- 9,700
- 28,500
- 33,500
- 36,000
- 36,500
- 40,000
- 41,500
- 3660$8200
- 4650
- 5000
- 5050
- 5450
- 5800
- 7000
- 7150
- 7500
- 7550
- 7600
- 8350
- 8800
- 9050
- 9400
- 9500
- 10500
- 10700
- 11000
- 11200
- 11400
- 11600
- 12000
- 12300
- 12500
- 13300
- 13600
- 13900
- 14500
- 14700
- 14800
- 15800
- 15900
- 16200
- 17300
- 17500
- 18700
- 18800
- 19400
- 20300
- 20500
- 21900
- 22300
- 22500
- 23600
- 23700
- 24400
- 25900
- 26200
- 26300
- 26400
- 26900
- 27100
- 28500
- 29700
- 30500
- 31000
- 32000
- 33500
- 35500
- 36000
- 36500
- 37500
- 38500
- 39500
- 40000
- 41500
- 42500
- 43000
- 43500
- 45000
- 46500
- 48500
- 49000
- 50000
- 50500
- 51000
- 52000
- 53500
- 54500
- 55000
- 56000
- 57500
- 58500
- 59500
- 61500
- 63500
- 64500
- 65000
- 67000
- 68000
- 68500
- 69000
- 69500
- 70500
- 71000
- 71500
- 73000
- 74500
- 76500
- 79000
- 79500
- 80500
- 83000
- 86000
- 86500
- 89000
- 90000
- 95000
- 98000
- 100000
- 102000
- 103000
- 107000
- 114000
- 121000
- 124000
- 125000
- 128000
- 130000
- 135000
- 139000
- 146000
- 155000
- 156000
- 159000
- 165000
- 166000
- 167000
- 171000
- 177000
- 183000
- 186000
- 190000
- 196000
- 202000
- 203000
- 207000
- 212000
- 219000
- 225000
- 232000
- 233000
- 236000
- 239000
- 250000
- 258000
- 272000
- 276000
- 277000
- 297000
- 310000
-
Specifications/Environment
- Standard
-
Precision (JIS)
- Grade 0
- Grade 4
- Grade 5
-
Load Direction
- Radial
- Thrust
-
Rolling Element Material
- Steel
-
Size Standards
- Metric System
-
Number of Raceway Ring Rows
- Single Row
- Double Row
-
Combination of Angular Contact Ball Bearings
-
Single Row -
Back Combination -
Front Combination -
Tandem Arrangement
-
-
Retainer Type
- Punching
- Momi removing
- Resin Forming
-
Types
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- Same day
- 1 Day(s) or Less
- 8 Day(s) or Less
- 11 Day(s) or Less
- 12 Day(s) or Less
- 13 Day(s) or Less
- 14 Day(s) or Less
- 15 Day(s) or Less
- 16 Day(s) or Less
- 17 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 .
Tech Support
- Factory Automation, Electronics, Tools, & MRO (Maintenance, Repair and Operations)
- Tel：021-8990-4102 / FAX：021-8990-5803
- 8:30am - 5:30pm (Monday - Friday)
- Technical Inquiry
-
Bank TransferTransfer Bank
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Please use the inquiry form.
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