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 |