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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.
Part Number
Configured Part Number is shown.

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
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.
| 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) | Bearing Type | Basic Dynamic Load Rating (N) | Load Direction | Max. Allowable Rotational Speed (rpm) | Seal, Shield Symbols | Contact angle symbol | Preload Mark | Grease symbol | Internal Clearance / Preload Symbol |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 67.17 | 1 Piece(s) | 4 Day(s) or more | 10 | 10 | 30 | 14.3 | Double Shielded | 7150 | Radial / Thrust | 17000 | ZZ | C | - | 2AS | - | ||
MYR 72.04 | 1 Piece(s) | 4 Day(s) or more | 10 | 15 | 35 | 15.9 | Double Shielded | 8500 | Radial / Thrust | 13000 | ZZ | C | - | 2AS | - | ||
MYR 106.93 | 1 Piece(s) | 8 Day(s) | - | 17 | 40 | 17.5 | Open Type | 14600 | Radial | 11000 | - | A | - | - | - | ||
MYR 107.78 | 1 Piece(s) | 1 Day(s) | - | 17 | 40 | 17.5 | Double Shielded | 12700 | Radial | 11000 | ZZ | C | - | 2AS | - | ||
MYR 105.27 | 1 Piece(s) | 4 Day(s) | - | 20 | 47 | 20.6 | Open Type | 19600 | Radial | 10000 | - | A | - | - | - | ||
MYR 121.52 | 1 Piece(s) | 8 Day(s) | - | 20 | 47 | 20.6 | Double Shielded | 15900 | Radial | 10000 | ZZ | C | - | 2AS | - | ||
MYR 126.97 | 1 Piece(s) | 8 Day(s) | - | 25 | 52 | 20.6 | Open Type | 21300 | Radial | 8500 | - | A | - | - | - | ||
MYR 162.33 | 1 Piece(s) | 1 Day(s) | 10 | 25 | 52 | 20.6 | Rubber Sealed | 16900 | Radial | 7500 | LLD | C | - | 2AS | - | ||
MYR 143.69 | 1 Piece(s) | 4 Day(s) or more | 10 | 25 | 52 | 20.6 | Double Shielded | 16900 | Radial | 8500 | ZZ | C | - | 2AS | - | ||
MYR 153.02 | 1 Piece(s) | 1 Day(s) | - | 30 | 62 | 23.8 | Open Type | 29600 | Radial | 7100 | - | A | - | - | - | ||
MYR 167.68 | 1 Piece(s) | 8 Day(s) | - | 30 | 62 | 23.8 | Double Shielded | 25200 | Radial / Thrust | 7100 | ZZ | C | - | 2AS | - | ||
MYR 192.47 | 1 Piece(s) | 8 Day(s) | - | 35 | 72 | 27 | Open Type | 39000 | Radial | 6300 | - | A | - | - | - | ||
MYR 207.60 | 1 Piece(s) | 8 Day(s) | 10 | 35 | 72 | 27 | Double Shielded | 34000 | Radial / Thrust | 6300 | ZZ | C | - | - | - | ||
MYR 207.46 | 1 Piece(s) | 8 Day(s) | 10 | 35 | 72 | 27 | Double Shielded | 34000 | Radial | 6300 | ZZ | C | - | 2AS | - | ||
MYR 242.21 | 1 Piece(s) | 8 Day(s) | 10 | 40 | 80 | 30.2 | Open Type | 44000 | Radial | 5600 | - | A | - | - | - | ||
MYR 224.07 | 1 Piece(s) | 6 Day(s) or more | 10 | 40 | 80 | 30.2 | Open Type | 36500 | Radial | 5600 | - | A | C3 | - | C3 | ||
MYR 275.98 | 1 Piece(s) | 7 Day(s) or more | - | 40 | 80 | 30.2 | Double Shielded | 36500 | Radial | 5600 | ZZ | C | - | 2AS | - | ||
MYR 274.46 | 1 Piece(s) | 4 Day(s) | 10 | 45 | 85 | 30.2 | Open Type | 49500 | Radial | 5000 | - | A | - | - | - | ||
MYR 307.38 | 1 Piece(s) | 8 Day(s) | 10 | 50 | 90 | 30.2 | Open Type | 53000 | Radial | 4800 | - | A | - | - | - | ||
MYR 352.76 | 1 Piece(s) | 8 Day(s) | 10 | 55 | 100 | 33.3 | Open Type | 56000 | Radial | 4300 | - | A | - | - | - | ||
MYR 374.35 | 1 Piece(s) | 8 Day(s) | 10 | 55 | 100 | 33.3 | Double Shielded | - | Radial | - | ZZ | C | - | 2AS | - | ||
MYR 435.15 | 1 Piece(s) | 34 Day(s) | 10 | 60 | 110 | 36.5 | Open Type | 69000 | Radial | 3800 | - | A | - | - | - | ||
MYR 507.71 | 1 Piece(s) | 10 Day(s) | 10 | 65 | 120 | 38.1 | Open Type | 76500 | Radial | 3600 | - | A | - | - | - | ||
MYR 645.10 | 1 Piece(s) | 10 Day(s) | 10 | 75 | 130 | 41.3 | Open Type | 93500 | Radial | 3200 | - | A | - | - | - | ||
MYR 134.44 | 1 Piece(s) | 10 Day(s) | 10 | 20 | 52 | 22.2 | Open Type | 24600 | Radial | 9000 | - | A | - | - | - | ||
MYR 170.52 | 1 Piece(s) | 8 Day(s) | - | 25 | 62 | 25.4 | Open Type | 32500 | Radial | 7500 | - | A | - | - | - | ||
MYR 212.01 | 1 Piece(s) | 8 Day(s) | 10 | 30 | 72 | 30.2 | Open Type | 40500 | Radial | 6300 | - | A | - | - | - | ||
MYR 188.87 | 1 Piece(s) | 7 Day(s) or more | 10 | 30 | 72 | 30.2 | Open Type | 39000 | Radial | 6300 | - | A | C3 | - | C3 | ||
MYR 247.51 | 1 Piece(s) | 8 Day(s) | - | 35 | 80 | 34.9 | Open Type | 51000 | Radial | 5600 | - | A | - | - | - | ||
MYR 308.35 | 1 Piece(s) | 8 Day(s) | - | 40 | 90 | 36.5 | Open Type | 56500 | Radial | 5300 | - | A | - | - | - | ||
MYR 363.23 | 1 Piece(s) | 10 Day(s) | 10 | 45 | 100 | 39.7 | Open Type | 68500 | Radial | 4500 | - | A | - | - | - | ||
MYR 453.03 | 1 Piece(s) | 10 Day(s) | 10 | 50 | 110 | 44.4 | Open Type | 81500 | Radial | 4300 | - | A | - | - | - | ||
MYR 498.88 | 1 Piece(s) | 8 Day(s) | 10 | 55 | 120 | 49.2 | Open Type | 95000 | Radial | 3800 | - | A | - | - | - | ||
MYR 733.21 | 1 Piece(s) | 8 Day(s) | 10 | 60 | 130 | 54 | Open Type | 125000 | Radial | 3400 | - | A | - | - | - |
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| Raceway Ring Shape | Angular Contact Ball (Double Row) | Outer Ring Type | Flat | Inner/Outer Ring Material | Steel |
|---|---|---|---|---|---|
| Specifications/Environment | Standard | Precision (JIS) | Grade 0 | Rolling Element Material | Steel |
| Size Standards | Metric System | Number of Raceway Ring Rows | Double Row | Retainer Type | Punching |




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