7930B KOYO Single-row, matched pair angular contact ball bearings
| Brand Name: | KOYO |
| Model Number: | 7930B |
| Category: | Spherical Roller Bearing |
| Inventory: | 7.0 |
| Minimum Buy Quantity: | N/A |
| Weight: | 56.751 |
| Product Group: | B04311 |
| Internal Clearance: | C0-Medium |
| Mounting Method: | Shaft Mount |
| Rolling Element: | Spherical Roller Bearing |
| PDF |
7930B |
Product Details
| Category | Spherical Roller Bearing |
| Inventory | 7.0 |
| Minimum Buy Quantity | N/A |
| Weight | 56.751 |
| Product Group | B04311 |
| Internal Clearance | C0-Medium |
| Mounting Method | Shaft Mount |
| Rolling Element | Spherical Roller Bearing |
| Bore Profile | Straight |
| Cage Material | Bronze |
| Enclosure | Open |
| Number of Rows of Rollers | Double Row |
| Relubricatable | Yes |
| Withdrawal Sleeve | Not Applicable |
| Withdrawal Nut | Not Applicable |
| Inch - Metric | Metric |
| Long Description | 280MM Straight Bore; 420MM Outside Diameter; 106MM Width; C0-Medium Clearance; Shaft Mount; Double Row of Spherical Roller Bearings; Bronze Cage Material; Open Enclosure; Relubricatable |
| UNSPSC | 31171510 |
| Harmonized Tariff Code | 84823080 |
| Noun | Bearing |
| Keyword String | Spherical |
| Weight / LBS | 125.002 |
| D | 420 mm |
| Adapter Part Number | Not Applicable Inch | Not Applicable Millimeter |
| B | 106 mm |
| d | 280 mm |
| bore diameter: | 280 mm |
| maximum rpm: | 1600 RPM |
| outside diameter: | 420 mm |
| operating temperature range: | Maximum of +390 °F |
| overall width: | 106 mm |
| cage material: | Brass |
| bore type: | Straight |
| bearing material: | Steel |
| outer ring type: | Not Split |
| cage type: | Inner Ring Guided |
| internal clearance: | C0 |
| precision rating: | Not Rated |
| closure type: | Open |
| finish/coating: | Uncoated |
| lubrication hole type: | Lubrication Groove & Hole |
| outer ring width: | 106 mm |
| dynamic load capacity: | 1730 kN |
| fillet radius: | 3 mm |
| static load capacity: | 2850 kN |
| series: | 230 |
| d2 ≈ | 326 mm |
| D1 ≈ | 380 mm |
| b | 16.7 mm |
| K | 9 mm |
| r1,2 min. | 4 mm |
| da min. | 295 mm |
| Da max. | 405 mm |
| ra max. | 3 mm |
| Basic dynamic load rating C | 1747 kN |
| Basic static load rating C0 | 2750 kN |
| Fatigue load limit Pu | 216 kN |
| Reference speed | 1300 r/min |
| Limiting speed | 1600 r/min |
| Calculation factor e | 0.23 |
| Calculation factor Y1 | 2.9 |
| Calculation factor Y2 | 4.4 |
| Calculation factor Y0 | 2.8 |
| Mass bearing | 52.5 kg |
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