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System of Measurement System of Measurement |
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For Shaft Diameter For Shaft Diameter |
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For Load Direction For Load Direction |
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 | Combined Radial and Thrust |
For Housing ID For Housing ID |
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Construction Construction |
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Bearing Type Bearing Type |
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 | Ball |
ID ID |
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OD OD |
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Ball Bearing Type Ball Bearing Type |
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 | Standard |
ABEC Rating ABEC Rating |
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Lubrication Lubrication |
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Ring Material Ring Material |
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Maximum Speed Maximum Speed |
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For Shaft Type For Shaft Type |
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 | Round |
Contact Angle Contact Angle |
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Dynamic Combined Load Capacity Dynamic CombinedLoad Capacity |
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Maximum Radial Clearance Maximum Radial Clearance |
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Maximum Temperature Maximum Temperature |
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Minimum Radial Clearance Minimum Radial Clearance |
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About Ball and Roller Bearings
More
Angular-Contact Ball Bearings
Open
Sealed
Shielded
The raceways in these bearings are positioned off-center to handle angular (combined radial and thrust) loads.
Double-row bearings handle thrust loads in both directions.
Open bearings dissipate heat more efficiently than shielded and sealed bearings.
Shielded bearings block out dust and other contaminants, but do not dissipate heat as efficiently as open bearings.
Sealed bearings block out dust and other contaminants better than open and shielded bearings, but retain the most heat.
For technical drawings and 3-D models, click on a part number.
Combined Load Cap., lbs. | |||||||||||||
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| Trade No. | For Shaft Dia., mm | For Housing ID, mm | Wd., mm | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Contact Angle | Temp. Range, °F | ABEC Rating | Each | |
Double Row | |||||||||||||
Open | |||||||||||||
| 3204 | 20 | 47 | 20.6 | Steel | 4,450 | 2,650 | 14,000 | Required | 30° | -20° to 230° | ABEC-3 | 00000000 | 000000 |
Shielded | |||||||||||||
| 3204-2Z | 20 | 47 | 20.6 | Steel | 4,450 | 2,650 | 14,000 | Lubricated | 30° | -20° to 230° | ABEC-3 | 00000000 | 00000 |
Sealed | |||||||||||||
| 3204-2RS | 20 | 47 | 20.6 | Steel | 4,450 | 2,650 | 10,000 | Lubricated | 30° | -20° to 230° | ABEC-3 | 00000000 | 00000 |
Shoulder Screws
