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Koyo 6326 is a 63 series single-row deep groove ball bearing with a 130 mm straight bore, 280 mm outside diameter, and 58 mm width. Open type design for applications requiring high-speed operation and low friction. Suitable for electric motors, pumps, fans, and general industrial rotating equipment.
MODEL 6326
$1,550.93 Each
Prices are subject to change
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Bore
5.118 in / 130 mm
Brand
KOYO
Harmonized Tariff Code
8482.10.50.68
Inch - Metric
Metric
Inner Race Width
0 Inch / 0 Millimeter
Internal Clearance
C3-Loose
Internal Special Features
No
Manufacturer Item Number
6326C3FY
Maximum Capacity / Filling Slot
No
Other Features
Deep Groove
Outer Race Width
2.283 Inch / 58 Millimeter
Outside Diameter
11.024 Inch / 280 Millimeter
Precision Class
ABEC 1 / ISO P0
Rolling Element
Ball Bearing
Snap Ring
No
Type
Single Row Ball Bearings
UNSPSC
31171504
| Bearing No. | 6326 | |
| Boundary dimensions(mm) | d | 130 |
| D | 280 | |
| B | 58 | |
| r(min) | 4 | |
| Basic load ratings(kN) | Cr | 287 |
| C0r | 214 | |
| Fatigue load limit(kN) | Cu | 14.1 |
| factor | f0 | 13.6 |
| Limiting speeds(min-1) | Grease lub. | 2300 |
| Oil lub. | 2700 | |
| Mounting dimensions(mm) | da(min) | 146 |
| Da(max) | 264 | |
| ra(max) | 3 | |
| (Refer.)Mass(kg) | 15.1 |
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.
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