32307 B Bore 35 Mm, Metric Single Row Tapered Roller Bearings
The 32307 B Metric single-row tapered roller bearings are widely used in various metric-sized mechanical equipment, such as automotive wheel hubs, gearboxes, differentials, industrial gearboxes, machine tool spindles, and agricultural machinery.
The 32307 B bearing is a Metric single row tapered roller bearings with an inner diameter of 35 mm , an outer diameter of 80 mm, a width of 32.75 mm. GCr15SiMn rings, GCr15SiMn rolling mlement. Its dynamic radial rated load is approximately 114143 N, its static radial rated load is approximately 111983 N. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
32307 B bearings ( 35 mm x 80 mm x 32.75 mm) have the advantages of Simultaneously withstands combined loads (radial and axial loads) and is detachable for installation, and are therefore widely used in the Industrial gearboxes, automotive transmissions, machine tool spindles, agricultural machinery and conveying systems.
| Part Number | 32307 B |
| Interchangeable | SKF 32307 B |
| Bearing Type | Metric single row tapered roller bearings |
| Units | Metric |
| Series | 32300 series (323..B) |
| Contact angle - α [°] | 20 |
| Dimension series | 5FE |
| Matched arrangement | No |
| Flange | No |
| Bore | Cylindrical bore |
| Relubrication | No |
| Heat stabilized | 120 °C (250 °F) |
| Row NO. | One |
| Bearing Mass - m [lb] | 1.757 |
| Manufacturer Part Code | 32307B |
| Bearing part | Complete |
| Seal | Open |
| Coating | No |
| Lubricant | No |
| Cage | Stamping steel cage |
| d φ Inside [inch] | 1.378 |
| D Φ Outside [inch] | 3.150 |
| T Thickness [inch] | 1.289 |
| d1 [inch] | 2.337 |
| B Cone [inch] | 1.220 |
| C Cup [inch] | 0.984 |
| a pressure points [inch] | 0.958 |
| r1,2 min. Chamfer [inch] | 0.079 |
| r3,4 min. Chamfer [inch] | 0.059 |
| db min. [inch] | 1.752 |
| Db min. [inch] | 2.992 |
| rb max. [inch] | 0.059 |
| Cb min. [inch] | 0.295 |
| da max. [inch] | 1.693 |
| Da min. [inch] | 2.402 |
| Da max. [inch] | 2.854 |
| Ca min. [inch] | 0.157 |
| ra max. [inch] | 0.079 |
| e Limiting value | 0.54 |
| Y Calculation coefficient | 1.1 |
| Y0 Calculation coefficient | 0.6 |
| Cr Radial Dynamic [lbf] | 25659 |
| C0r Radial Static [lbf] | 25173 |
| Pu Fatigue load limit [lbf] | 2850 |
| nB Speed ratings (grease) [rpm] | 6244 |
| nG Speed ratings (oil) [rpm] | 8462 |
The 32307 B Metric single-row tapered roller bearings mainly consist of an outer ring (with tapered raceways), an inner ring assembly (combined with a row of tapered rollers and a cage), tapered rollers, and a cage. The inner and outer rings are separable, and the contact angle varies depending on the design; dimensions conform to metric standards.
The separable design of metric single-row tapered roller bearings facilitates installation and disassembly, allowing for independent assembly of the inner and outer rings. They can simultaneously withstand radial loads and unidirectional axial loads, exhibiting high load-carrying capacity; a larger contact angle results in higher axial load capacity. They possess good rigidity and are suitable for medium- and high-speed applications.
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