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Koyo 6208 is a 62 series single-row deep groove ball bearing with a 40 mm straight bore, 80 mm outside diameter, and 18 mm width. This open-type bearing has no seals or shields, allowing for high-speed operation and easy relubrication. Suitable for electric motors, pumps, fans, and general industrial rotating equipment. 6200 Open Bearing
6208 and 6208C3
MODEL 6208
Nachi Bearing
$14.45
In stock
Koyo Bearing
$32.23
SKF Bearing
$53.25
Timken
$39.07
In stock
NTN Bearing
$53.90
Call to confirm
NSK Bearings
$47.20
In stock
FAG Bearing
$47.83
$32.23 Each
Prices are subject to change
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Returnable: See conditions
Bore
18
I.D.
40 mm
O.D.
80 mm
| Bearing No. | 6208 | |
| Boundary dimensions(mm) | d | 40 |
| D | 80 | |
| B | 18 | |
| r(min) | 1.1 | |
| Basic load ratings(kN) | Cr | 36.4 |
| C0r | 17.8 | |
| Fatigue load limit(kN) | Cu | 1.25 |
| factor | f0 | 14.0 |
| Limiting speeds(min-1) | Grease lub. | 8300 |
| Oil lub. | 10000 | |
| Mounting dimensions(mm) | da(min) | 46.5 |
| Da(max) | 73.5 | |
| ra(max) | 1 | |
| (Refer.)Mass(kg) | 0.366 |
How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
What is the difference between deep groove and angular contact ball bearings?
Deep groove ball bearings are the most common type. They’re designed to handle mainly radial loads, but they can also take some axial load in both directions. They’re simple, versatile, and used in everything from motors to conveyors. Angular contact ball bearings are built for combined loads, especially where there’s significant axial force in one direction. They’re often used in pairs and are common in higher precision or higher load applications like pumps and gearboxes. If your load is mostly radial, go deep groove. If axial load matters more, angular contact is usually the better choice.
