INA
Needle Bearings
Needle Roller / Axial Ball Bearing
From US$20.61
Excl. VAT| Spec | Price | Quantity |
|---|---|---|
| ina:NKX25-Z-XL | US$20.61 |
EX-WORKS (Incoterms 2020) Seoul, Korea — Buyer arranges freight, duties, and insurance.
INA NKX25-Z-XL Needle Roller / Axial Ball Bearing combines a radial needle roller bearing with an axial ball bearing function. It is suitable for gearboxes, clutches, and compact drives that must support radial load and one-direction axial load within limited radial space.
A radial needle roller section and an axial ball-and-cage assembly are integrated into one unit. Cover or washer configurations can be selected according to lubrication retention and mounting requirements.
Check radial-to-axial load ratio, axial load direction, washer configuration, lubrication, and mounting space.
| Symbol | Value | Description |
|---|---|---|
| Fw | 25 mm | Bore diameter |
| D | 37 mm | Outside diameter |
| C | 30 mm | Height |
| Cr | 21.300 N | Basic dynamic load rating, radial |
| C0r | 30.500 N | Basic static load rating, radial |
| Ca | 19.600 N | Basic dynamic load rating, axial |
| C0a | 37.500 N | Basic static load rating, axial |
| Cur | 5.400 N | Fatigue load limit, radial |
| Cua | 1.840 N | Fatigue load limit, axial |
| nG | 6.000 1/min | Limiting speed |
| ≈m | 129,13 g | Weight |
| Symbol | Value | Description |
|---|---|---|
| D1 max | 43,2 mm | Maximum outerside diameter flange |
| D2 max | 43,2 mm | Maximum outerside diameter flange |
| C1 | 11 mm | Width of the axial brearing component |
| C1 | 9,5 mm | Distance to lubrication hole |
| C2 | 9,5 mm | Distance to lubrication hole |
| dw | 25 mm | Bore diameter of shaft washer |
| rmin | 0,6 mm | Minimum chamfer dimension |
| Item | Code | Description |
|---|---|---|
| Sealing | Z | Bearing with end cap |
| Cage | Standard |
| Symbol | Value | Description |
|---|---|---|
| da | 37,7 mm | Mounting dimension shaft shoulder |
| ra max | 0,6 mm | Maximum recess radius |
| Symbol | Value | Description |
|---|---|---|
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 120 °C | Operating temperature max. |
| Code | Description |
|---|---|
| IR20X25X20-XL | Suitable inner rings IR |
The same part number can be written with or without separators, or in progressive prefix form. We index these common variants so your search reaches this page:
NKX25ZXLNKX25 Z XLNKX25Z XLNKX25 ZXLNKX25NKX25ZINANKX25ZXLINA NKX25 Z XLINANKX25 Z XLINANKX25Z XLINA NKX25ZXLINA NKX25 ZXLFrom US$20.61
Excl. VAT| Spec | Price | Quantity |
|---|---|---|
| ina:NKX25-Z-XL | US$20.61 |
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