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INA VLA200744N Slewing ring 4 point contact
MODEL VLA200744N
$8,512.04 Each
Prices are subject to change
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Returnable:No
d 0
828 mm
D a
838, 1 mm
d i 634 mm Tolerance
+0, 6
H
56 mm
L a
785 mm
L i
662 mm
z 138 Number of teeth
Yes
Specifications
| d i | 634 mm | Tolerance: +0,6 |
|---|---|---|
| D a | 838,1 mm |
| D i | 745,5 mm | Tolerance: +0,6 |
|---|---|---|
| D i ZT | 747 mm | Valid for bearings with centring (suffix ZT) Centring lengths (T, t) (see dimension drawing)Tolerance: +IT8 |
| d 0 | 828 mm | |
| d a | 742,5 mm | Tolerance: -0,6 |
| d i ZT | 636 mm | Valid for bearings with centring (suffix ZT) Centring lengths (T, t) (see dimension drawing)Tolerance: +IT8 |
| H | 56 mm | |
| L a | 785 mm | |
| L i | 662 mm | |
| m | 6 mm | Tooth modulus |
| n a | 18 | Number of fixing holes in outer ring |
| n i | 16 | Number of fixing holes in inner ring |
| z | 138 | Number of teeth |
| m | 54,5 kg | Mass |
|---|---|---|
| F r per | 74300 N | Maximum permissible radial load against friction lock |
| F z norm | 21300 N | Maximum permissible tooth force (dedendum fatigue strength) |
| F z max | 31500 N | Max. permissible tooth force against tooth fracture in dedendum |
| C a | 211000 N | Basic dynamic load rating, axial |
| C 0a | 530000 N | Basic static load rating, axial |
| C r | 138000 N | Basic dynamic load rating, radial |
| C 0r | 198000 N | Basic static load rating, radial |
| 4 taper type lubrication nipples, DIN 71412-A S8x1, spaced uniformly on circumference | ||
| Bearings are also available without holes in the bearing rings. |
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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