NJ305 -E-XL-TVP2 Cylindrical Roller Bearings by FAG
NJ305 -E-XL-TVP2 Cylindrical Roller Bearings by FAG

FAG

Cylindrical Roller Bearings FAG NJ305 -E-XL-TVP2

Technical data
 
Inner diameter
25 mm
Outer diameter
62 mm
Width
17 mm
Roller rows
Single row bearing
Seal
None, open bearing
Cage
Polyamide cage
Clearance
Normal radial clearance
Running accuracy
Tolerance class P0/PN2 / ABEC 1
Current insulation
No current insulation
Bore
Cylindrical bore
Outer ring
Without groove/lubrication holes
Design
Support bearing (axial displacement), inner ring removable on one side
Temperature range
-30 to +120 °C
Weight
0,249 kg
Scale quantity Your discount Unit price
25 1,68 € 32,00 €
35 3,36 € 30,32 €
33,68 €
exkl. MwSt, zzgl. Versandkosten

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Cylindrical Roller Bearings FAG NJ305 -E-XL-TVP2
In Stock

Cylindrical Roller Bearings FAG NJ305 -E-XL-TVP2

The FAG NJ305 -E-XL-TVP2 cylindrical roller bearing combines high radial load-carrying capacity with a single-sided axial guidance function, whilst maintaining compact dimensions of 25 × 62 × 17 mm.

The NJ305 -E-XL-TVP2 cylindrical roller bearing is a single-row rolling bearing designed for industrial applications involving high radial loads. As an open bearing, it does not feature integrated seals, allowing lubricants to reach the raceways directly. Thanks to its manufacture to tolerance class P0 or ABEC 1, the component fits precisely into standardised housings and onto corresponding shaft seats. The manufacturer, FAG, equips this model with standard radial clearance, which enables smooth running under standard operating conditions.

What loads can the NJ305 -E-XL-TVP2 cylindrical roller bearing support?

This cylindrical roller bearing is primarily used where heavy radial loads occur and the shaft must be axially supported in one direction. Typical applications include bearing arrangements with single-sided guidance and high transverse forces. Thanks to its NJ design, the bearing absorbs axial forces from one direction, whilst freely compensating for changes in shaft length due to thermal effects in the opposite direction. If required, the inner ring can be removed from one side, which facilitates installation.

What are the advantages of the support bearing design and the polyamide cage?

The NJ design features two fixed flanges on the outer ring and one fixed flange on the inner ring, enabling the bearing to function as a support bearing. The integrated polyamide cage ensures uniform guidance of the rollers and reduces friction and operating noise. The component is suitable for a permissible temperature range of -30 to +120 degrees. As the outer ring is manufactured without a groove or lubrication bore, lubricant is supplied via the end faces of the bearing housing as a design feature.

What are the dimensions of the NJ305 -E-XL-TVP2 cylindrical roller bearing?

The main dimensions are 25 mm internal diameter (bore), 62 mm external diameter and 17 mm width. These values correspond to the standardised dimensions for the NJ305 series. Before installation, check that the shaft seat and the housing bore fit these nominal dimensions accurately.

What characterises the NJ design in this bearing?

The designation NJ denotes a support bearing with two fixed flanges on the outer ring and one fixed flange on the inner ring. This enables the bearing to accommodate both radial forces and axial forces from one direction. The inner ring is removable from one side, which allows the outer and inner rings to be fitted separately.

What are the characteristics of the polyamide cage?

The polyamide cage keeps the cylindrical rollers at a defined distance apart and guides them precisely through the load zone. Plastic cages are characterised by their low weight, elastic properties and shock-absorbing effect. They thus contribute to smooth running and reduced friction losses during operation.

Within what temperature range can the bearing be operated?

The roller bearing is designed for ambient temperatures ranging from -30 to +120 degrees. This operating range is largely determined by the material of the polyamide cage and the dimensional stability of the rings. For continuous operation, the selected lubricant must also be specified for this temperature range.

What is the normal radial clearance in a cylindrical roller bearing?

Normal radial bearing clearance refers to the standard factory-set clearance between the cylindrical rollers and the raceways when the bearing is unmounted. This dimension helps to ensure that, after being pressed onto the shaft and fitted into the housing, the bearing maintains the required operating clearance tolerance for low-vibration operation.

Why is the NJ305 -E-XL-TVP2 cylindrical roller bearing designed as an open bearing?

Open bearings do not have integrated cover plates or sealing washers. This design allows for direct lubrication via a central lubricant supply or an oil bath in the surrounding housing. To prevent the ingress of dirt particles, a suitable seal must be provided in the surrounding housing structure.

Schaeffler Technologies AG & Co. KG
Industriestraße 1-3, 91074 Herzogenaurach, Germany
info.de@schaeffler.com, https://www.schaeffler.de/de/meta/impressum/

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