BOSCH REXROTH
R053021210
$23.82 USD
- BOSCH REXROTH
- Material:R053021210
- Model:KU-C12-OFK
Quantity in stock: 0
The Bosch Rexroth BALL TRANSFER UNIT KU-C12-OFK (R053021210) is a high-quality component designed for facilitating smooth and precise movement of goods across various surfaces. This ball transfer unit is particularly compact, falling into the category of extremely small ball transfer units, making it suitable for general applications where space is at a premium. The unit features all galvanized parts with balls made from corrosion-resistant steel, ensuring durability and longevity even in challenging environments. The KU-C12-OFK model does not include a felt seal and comes preserved with a sheet steel housing, which contributes to its robustness. It operates efficiently within a temperature range of -30°C to +70°C, making it versatile for use in different climatic conditions. However, it should be noted that at temperatures above +70°C, only bright metal ball transfer units without a felt seal should be employed. Additionally, users are advised to use high-temperature lubricant and follow the manufacturer's instructions for maintenance, especially if the existing lubricant oil needs to be washed out due to high operating temperatures. The unit's static load rating is specified by Bosch Rexroth standards and users should consider that prolonged use at speeds above 1 m/s may result in increased temperature and reduced service life depending on the load. The maximum permissible linear speed (vmax) is an important consideration in application design to ensure optimal performance. Overall, this Bosch Rexroth ball transfer unit is engineered for efficiency and reliability in material handling tasks. Its compact size combined with the strength of galvanized parts and corrosion-resistant steel balls makes it an excellent choice for facilitating movement within various systems without compromising on quality or performance.
Ball transfer units without felt seal – Size 12
Ball transfer unit
All parts galvanized, balls made from corrosion-resistant steel
Size = 12
Without felt seal, preserved
Unpacked Weight: 0.0177 kg
| With sheet steel housing |
| Extremely small ball transfer unit |
| For general applications |
| All parts galvanized |
| Balls made from corrosion-resistant steel 1.3541 / 1.4034 |
| Data Sheet | Download Data Sheet |
| 2D CAD | Download 2D CAD |
| 2D CAD | Download 2D CAD |
| 3D CAD | Download 3D CAD |
| 3D CAD | Download 3D CAD |
| Product information | Without felt seal |
| Size a | 2.1 |
| Maximum operating temperature | |
| Size H | 15.4 |
| Minimum operating temperature | |
| Size h | 7.4 |
| Outer diameter D | 18 |
| Maximum permissible linear speed vmax | 2 |
| Operating temperature | -30 °C ... +100 °C |
| Size D | 18 |
| Size D1 | 23.3 |
| Tolerance h | |
| Static load rating C0 | 350 |
| Note: Maximum permissible speed vmax | In case of prolonged periods of use at speeds above 1 m/s, an increase in temperature and reduction in service life is to be expected depending on the load. |
| Size dW | 12 |
| Productgroup ID | 17 |
| Size b | 4.4 |
| Footnote permissible operating temperature (min...max) | At temperatures above 100 °C, only bright metal ball transfer units without a felt seal should be used. Make allowance for reduction in load capacity. Use high-temperature lubricant! Follow the manufacturer’s instructions! The existing lubricant oil may have to be washed out. |
| Dynamic load capacity C | 180 |
| Footnote operating temperature max. | For temperatures over 100°C, only load balls made from bare metal without a felt seal may be used. Take into account the reduction in load capacity. Use high-temperature lubricant! Follow the instructions of the manufacturer! The existing lubricant oil may have to be washed out. |
| Weight | 0.0177 |
| Nominal size | 12 |
| Tolerance D |
Technical data
|
Size |
8 | 12 | 15 | 22 | 30 | 45 | |
|
C |
N |
100 | 180 | 370 | 970 | 1900 | 4500 |
|
C0 |
N |
200 | 350 | 700 | 1800 | 3000 | 7000 |
|
vmax 1) |
m/s |
2 | |||||
|
m |
kg |
0.007 | 0.018 | 0.038 | 0.132 | 0.265 | 0.72 |
|
Operating conditions |
|||||||
|
Size |
8 | 12 | 15 | 22 | 30 | 45 | |
|
Admissible operating temperature (min ... max) 2) |
-30 °C ... +100 °C | ||||||
| 1) | In case of prolonged periods of use at speeds above 1 m/s, an increase in temperature and reduction in service life needs to be reckoned with depending on the load. |
| 2) | At temperatures above 100 °C, only bright metal load balls without a felt seal should be used. Make allowance for reduction in load capacity. Use high-temperature lubricant! Follow the manufacturer’s instructions! The existing lubricant oil may have to be washed out. |
At temperatures above 100 °C, only bright metal ball transfer units without a felt seal should be used. Note the reduction in load capacity! Use high-temperature lubricant! Follow the manufacturer’s instructions! The existing lubricant oil may have to be washed out.
Temperature factor
|
Temperature (°C) |
Temperature factor ft |
|
125 |
0,9 |
|
150 |
0,8 |
|
175 |
0,7 |
|
200 |
0,5 |
The load capacity must be multiplied by the temperature factor.
Legend
|
Symbol |
Description |
Unit |
Picture |
|
C |
Dynamic load capacity |
N |
|
|
C0 |
Static load capacity |
N |
|
|
vmax |
Conveying speed |
m/s |
|
|
m |
Mass |
kg |
Technical data
Applications
General-purpose machines Feed tables for sheet-metal working machines Fixtures for press brakes Feed devices for machining centers Drilling tables and motor-driven supporting tables Assembly aids in the manufacture of large engines and motors Construction of special-purpose machines Aerospace industry Beverages and stone-processing industries Not suitable for use under water
Conveyor systems
Ball transfer tables, turntables and switches for sorting and distribution systems Crossover sections of continuous conveyors Baggage sorting systems at airports Transport of steel tubes and pipes Lifting platforms
Dimensions
|
Size |
dw |
D |
Tolerance for D |
D1 |
h |
Tolerance for h |
H |
a |
b |
|
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
|
| 8 | 7.938 | 12.6 | ± 0.055 | 17 | 4.8 | ± 0.15 | 11.2 | 1.9 | 3.2 |
| 12 | 12 | 18 | 23.3 | 7.4 | 15.4 | 2.1 | 4.4 | ||
| 15 | 15.875 | 24 | ± 0.065 | 31 | 9.5 | ± 0.2 | 21.5 | 2.5 | 6.1 |
| 22 | 22.225 | 36 | ± 0.08 | 45 | 9.8 | 29.5 | 2.9 | 5.7 | |
| 30 | 30.162 | 45 | 55 | 13.8 | ± 0.3 | 37.5 | 3.7 | 7.9 | |
| 45 | 44.45 | 62 | ± 0.095 | 75 | 19 | ± 0.4 | 53.7 | 4.2 | 10.5 |
| 1) | Press fit |
| 2) | with tolerance ring |
| 3) | Gluing in |
Installation dimensions
|
Size |
Press fit |
with tolerance ring |
Gluing in |
||||||||||
|
2 mm sheet steel 5 Mm aluminum |
16 mm wood |
Part number |
D2 |
Tolerance for D2 |
DE |
Tolerance for DE |
c |
Tolerance for c |
DE |
Tolerance for DE |
|||
|
DE |
Tolerance for DE |
DE |
Tolerance for DE |
Tolerance ring |
|||||||||
|
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
||
| 8 | 12.57 | + 0.03 | 12.5 | + 0.05 | R081001252 1) | 12.8 | + 0.2 | 13.87 | + 0.15 | 6.1 | + 0.2 | 12.7 | + 0.2 |
| 12 | 17.97 | + 0.03 | 17.9 | + 0.05 | R081001801 2) | 18.2 | 19.7 | + 0.2 | 18.1 | ||||
| 15 | 23.95 | + 0.05 | 23.9 | + 0.05 | R081002403 2) | 24.2 | 25.7 | 7.1 | 24.1 | ||||
| + 0.05 | + 0.05 | ||||||||||||
| 22 | 35.9 | + 0.05 | 35.85 | + 0.07 | R081003605 2) | 36.2 | 37.7 | 12.1 | 36.1 | ||||
| + 0.05 | + 0.07 | ||||||||||||
| 30 | 44.85 | + 0.05 | 44.8 | + 0.1 |
R081004501 3) R081004551 3) |
45.2 | 46.7 | 45.1 | |||||
| + 0.05 | + 0.1 | ||||||||||||
| 45 | 61.83 | + 0.07 | 61.8 | + 0.1 | R081006203 2) | 62.3 | 64.1 | + 0.3 | 15.1 | 62.2 | |||
| + 0.07 | + 0.1 | ||||||||||||
| 1) | made of corrosion-resistant steel 1.4310 |
| 2) | made from spring strip 1.1248, alternatively 1.8159 |
| 3) | R081004501 made from spring strip 1.1248, alternatively 1.8159; R081004551 made from corrosion-resistant steel 1.4310 |