7224-B-MP Angular Contact Ball Bearings, Single Row, Solid Brass Cage
The 7224-B-MP Single-row angular contact ball bearings are widely used in precision spindles and transmission systems of heavy equipment, such as: large machine tool spindles (machining centers, grinding machines), industrial robot joints, centrifuges, compressors, large pumps, and wind power generation equipment spindles.
The 7224-B-MP bearing is a Angular contact ball bearings, single row with an inner diameter of 120 mm , an outer diameter of 215 mm, a width of 40 mm. It typically uses PN grade precision tolerances and bearing steel rings, bearing steel rolling mlement. Its dynamic radial rated load is approximately 181996 N, its static radial rated load is approximately 177961 N. Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
Interchange code: 7224-B-MP,7224B.MP
7224-B-MP bearings ( 120 mm x 215 mm x 40 mm) have the advantages of High load-bearing capacity, high rigidity, and long service life, and are therefore widely used in the Construction machinery, wind power generation, port machinery, solar tracking systems, industrial robots, medical equipment, aerospace, and military equipment.
| Part Number | 7224-B-MP |
| Design Type | B = Modified internal construction |
| Bearing Type | Angular contact ball bearings, single row |
| Series | 72..-B-XL-MP |
| X-Life | XL long life design |
| Contact angle - α [°] | 40 |
| Rows NO. | single |
| Manufacturer Part Code | 7224-B-MP |
| Cage | MP = solid brass cage, ball guided |
| Equivalent | 7224-B-MP,7224B.MP |
| Lubricant | Without |
| Seal type | Open |
| Heat stabilization | S0 = up to 150° |
| m Weight [kg] | 6.071 |
| Reference From | FAG 7224-B-MP |
| Dimensions | |
| d φ Inside [inch] | 4.724 |
| D Φ Outside [inch] | 8.465 |
| B Width [inch] | 1.575 |
| r(min.) [inch] | 0.083 |
| r1(min.) [inch] | 0.043 |
| D1 [inch] | 7.043 |
| d1 [inch] | 6.189 |
| a [inch] | 3.555 |
| Performance | |
| Cr Radial Dynamic [N] | 181996 |
| C0r Radial static [N] | 177961 |
| Cur Radial Fatigue [N] | 9592 |
| nG Limiting speed (oil) [r/min] | 5180 |
| nB Reference speed (grease) [r/min] | 3697 |
| Mounting dimensions | |
| da(min.) [inch] | 5.197 |
| Da(max.) [inch] | 7.992 |
| Db(max.) [inch] | 8.189 |
| ra(max.) [inch] | 0.083 |
| ra1(max.) [inch] | 0.039 |
The 7224-B-MP Single-row angular contact ball bearings mainly consist of an inner ring, an outer ring, steel balls, and a cage. The raceways of the inner and outer rings are offset from each other, forming a contact angle. They are typically designed as non-separable bearings with contact angles of 15°, 25°, or 40°. The cage can be made of solid brass or phenolic resin.
The larger the contact angle of a single-row angular contact ball bearing (e.g., 40°), the stronger its axial load capacity. 15° or 25° contact angles are suitable for high-speed applications. They can simultaneously withstand radial loads and unidirectional axial loads. When installed in pairs (back-to-back, face-to-face, or in series), they can withstand bidirectional axial loads and improve rigidity. Larger bearings have higher basic dynamic load ratings, reaching hundreds of kN or more.
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