6680K31 Angular Contact Ball Bearings

$125.91 $193.70
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Product Number:
6680K31
Additional info
Ball Bearing Type Angular Contact
For Shaft Type Round
Bearing Construction Single Row
Bearing Seal Type Open
For Shaft Diameter 40 mm
For Housing ID 90 mm
Width 23 mm
Width Tolerance -0.12 mm to 0 mm
ABEC Rating 3
Material Steel
Combined Load Capacity Dynamic 10,300 lbf
Combined Load Capacity Static 6,850 lbf
Maximum Rotation Speed 9,000 rpm
Lubrication Required
Contact Angle 40°
Temperature Range Minimum -40° F
Temperature Range Max 300° F
Bearing Trade Number 7308
Ball Bearing Profile Standard
Ball Material Steel
Bearing Type Ball
Cage Material Nylon
For Load Direction Combined Radial and Thrust
Product ID 40 mm
ID Tolerance -0.012 mm to 0 mm
Lubricant Grease
OD 90 mm
OD Tolerance -0.013 mm to 0 mm
Shaft Mount Type Press Fit
System of Measurement Metric
Country of Origin United States
DFARS Compliance Specialty Metals COTS-Exempt
ECCN 1C999
REACH Compliance REACH (EC 1907/2006) (11/07/2024, 242 SVHC) Compliant
RoHS Compliance RoHS 3 (2015/863/EU) Compliant
Schedule B Number 848210.5028
Minimum Radial Clearance Not Rated
Maximum Radial Clearance Not Rated
Product Description Support radial and thrust loads at the same time. These bearings are often found inside equipment such as gearboxes and pumps. For example, a bearing inside a gearbox withstands a radial load when the gear is engaged and a momentary thrust load when you shift to a new one. While they don't handle as much force from radial loads as standard bearings, you can pair them with a cylindrical roller bearing to increase their load capacity. Single Row — Single-row bearings withstand thrust loads from one direction. Open — With no rubber seal to block airflow, these bearings dissipate heat quickly, extending the life of the lubricant and reducing friction over time. Steel — Strong and wear resistant. However, these bearings are best for dry environments since moisture will cause them to rust.
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