Артикул: RX8078
Ball Transfer Unit with solid steel housing and low collar R0533...
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Description
- With solid steel housing
- With low collar
- Very smooth running
- Housing in bright metal
- Galvanized cover
Features
- Balls made from antifriction bearing steel 1.3505
- Without felt seal
Technical data
Technical data
| Size | 12 | |
| C | N | 250 |
| C0 | N | 700 |
| vmax 1) | m/s | 2 |
| m | kg | 0.024 |
| Operating conditions | ||
| Size | 12 | |
| 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
Fields of application
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
Dimensions
| Size | dw | D | Tolerance for D | D1 | Tolerance for D1 | h | h1 | Tolerance for h1 | H | a |
| mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | |
| 12 | 12 | 20 | ± 0.065 | 21.75 | ± 0.25 | 3 | 4.5 | ± 0.01 | 15 | 1 |
Installation dimensions
| Size | Gluing in | |
| DE | Tolerance for DE | |
| mm | mm | |
| 12 | 20.15 | + 0.2 |
Mounting
Ball Transfer Unit Installation Examples
Certification
Directives and standards
Safety Instructions
Notes
Ordering codes
Ordering code
| Size | Part number | Short product name | CAD data | Buy |
| 12 | R053301200 | KUM-A12-NB-OFK |
Explanatory example of the short product name
| KUM-A12-NB-OFK (R053301200) | ||||
| KUM | A | 12 | NB | OFK |
| Balltransfer unit with solid steel housing | Bright metal, balls made from antifriction bearing steel | Size | Low collar | Without felt seal, preserved |
Downloads
 | Ball Transfer Units Catalog | R999000498 | 2016-07-01 | English | PDF | 4.8MB Product Groups: Ball transfer units and tolerance rings |
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