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FAG 51308 single direction thrust ball bearing, 45mm bore, 85mm OD. Designed for axial loads in one direction, suitable for vertical shaft applications. Manufactured by Schaeffler, meets ISO precision standards for industrial machinery.
MODEL 51308
$113.48 Each
Prices are subject to change
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Returnable:No
Cage Material
Steel
Fillet Radius
1 mm
I.D.
1.772
Max Rpm
4250 rpm
O.D.
3.346
O.D. Design
Straight
Operating Temperature Range
-30 to +150°C
Overall Width
26 mm
Precision Rating
ABEC 1 (ISO Class Normal)
Product Type
Ball Thrust Bearings
Radial Dynamic Load Capacity
61000 N
Separable Or Banded
Separable
Series
513
Standards Met
DIN 711/ISO 104
Thrust Bearing Type
Single-Direction
Specifications
| d | 40 mm | |
| D | 78 mm | |
| T | 26 mm |
| D 1 | 42 mm | |
| D a max | 55 mm | |
| d 1 | 78 mm | |
| d a min | 63 mm | |
| r a max | 1 mm | |
| r min | 1 mm |
| Mass | 0, 536 kg | m |
|---|---|---|
| Basic dynamic load rating, axial | 61000 N | C a |
| Basic static load rating, axial | 112000 N | C 0a |
| Minimum load factor | 0, 08 | A |
| Limiting speed | 4250 1/min | n G |
| Fatigue limit load, axial | 5000 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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