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FAG 51208 single direction thrust ball bearing with 40mm bore and 68mm OD. Designed for axial loads in one direction, this bearing offers reliable performance in moderate-speed applications. Manufactured by Schaeffler, it meets ISO precision standards for industrial machinery.
MODEL 51208
$68.26 Each
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Returnable:No
Bearing Material
Steel
Cage Material
Steel
Fillet Radius
1 mm
I.D.
1.575
Max Rpm
3700 rpm
O.D.
2.677
O.D. Design
Straight
Operating Temperature Range
-30 to +150°C
Overall Width
19 mm
Precision Rating
Not Rated
Product Type
Ball Thrust Bearings
Race Type
Grooved
Radial Dynamic Load Capacity
8500 lbf
Separable Or Banded
Separable
Series
51200
Standards Met
DIN 711, ISO 104
Thrust Bearing Type
Single-Direction
Specifications
| d | 40 mm | |
| D | 68 mm | |
| T | 19 mm |
| D 1 | 42 mm | |
| D a max | 51 mm | |
| d 1 | 68 mm | |
| d a min | 57 mm | |
| r a max | 1 mm | |
| r min | 1 mm |
| Mass | 0, 257 kg | m |
|---|---|---|
| Basic dynamic load rating, axial | 46500 N | C a |
| Basic static load rating, axial | 98000 N | C 0a |
| Minimum load factor | 0, 05 | A |
| Limiting speed | 5500 1/min | n G |
| Fatigue limit load, axial | 4300 N | C ua |
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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