Bearing - NU 4905 DKF
Product detailed description
Bearing - NU 4905 DKF
NU 4905 DKF is a single-row cylindrical roller bearing in NU design. Line contact between the rollers and raceways provides high radial load capacity. The NU arrangement is used as a non-locating bearing that accommodates changes in shaft length relative to the housing.
Technical data
- Designation: NU 4905 DKF
- Type: single-row cylindrical roller bearing, NU design
- Dimensions d × D × B: 25 × 42 × 17 mm
- Outer ring: two integral guide flanges
- Inner ring: no flanges
- Axial function: permits shaft displacement relative to the housing in both directions
- Construction: separable and open
- Manufacturer: DKF
Features and applications
The bearing is intended primarily for radial loads. Axial displacement takes place inside the bearing, making the NU design suitable where thermal expansion of the shaft must be accommodated, for example in electric motors, gearboxes and industrial machinery. A separate, correctly selected locating bearing is required to guide the shaft axially.
Mounting and interchange check
The separable design simplifies independent mounting of the rings and inspection of the arrangement. Before ordering, compare the full NU 4905 designation, 25 × 42 × 17 mm dimensions and flange arrangement with the original bearing or machine documentation; do not confuse it with the similarly designated NA 4905 needle roller bearing.
Product rating
Be the first who will post an article to this item!
We can arrange delivery of almost any DKF product, even if it is not currently listed in our catalogue.
Send us the designation, a photo of the nameplate, dimensions or a description of the application, and we will check availability.
DKF – product identification and supply
The DKF designation may appear on different technical products and spare parts. To identify the exact item reliably, we therefore work from the complete marking and the available technical data.
The exact item should be selected by its complete designation and technical parameters. Dimensions, design, material and operating conditions are important when matching a replacement.
For an accurate quotation, please provide the full marking, required quantity and any available documentation. We will compare the specification and verify a suitable delivery option.
| Manufacturing company : | DKF Deutsche Kugellagerfabriken GmbH |
|---|---|
| Address : | Rosenthaler Straße 40/41, 10178 Berlin, Germany |
| E-mail : | mail@dkf-group.de |