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FAG 31307A metric tapered roller bearing with 35mm bore. Single row design for combined radial and axial loads. Precision engineered for reliable performance in industrial applications.
MODEL 31307A
$61.15 Each
Prices are subject to change
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Returnable:No
Assembly Type
Cone & Cup
Bearing Material
Steel
Cage Material
Steel
Closure Type
Open
Finish Coating
Uncoated
Height
1.1
I.D.
1 3/8 in
Length
3.45
O.D.
80 mm
Overall Width
22.75 mm
Product Type
Tapered Roller Bearing Full Assemblies
Standards Met
DIN ISO 355 / DIN 720
Width
3.4
Specifications
| d | 35 mm | |
| D | 80 mm | |
| T | 22, 75 mm |
| ≈ | 26 mm | a |
|---|---|---|
| B | 21 mm | |
| C | 15 mm | |
| C a min | 4 mm | |
| C b min | 7, 5 mm | |
| D a max | 71 mm | |
| D a min | 62 mm | |
| D b min | 76 mm | |
| ≈ | 59, 9 mm | d 1 |
| d a max | 44 mm | |
| d b min | 44 mm | |
| r 1, 2 min | 2 mm | |
| r 3, 4 min | 1, 5 mm | |
| r a max | 2 mm | |
| r b max | 1, 5 mm |
| ≈ Mass | 0, 582 kg | m |
|---|---|---|
| Basic dynamic load rating, radial | 60000 N | C r |
| Basic static load rating, radial | 64000 N | C 0r |
| e | 0, 83 | |
| Y | 0, 73 | |
| Y 0 | 0, 4 | |
| Fatigue limit load, radial | 7500 N | C ur |
| Limiting speed | 9100 1/min | n G |
| Reference speed | 5800 1/min | n B |
| Comparative designation to DIN ISO 355 | T7FB035 |
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.
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