| Symbol | Value | Description |
|---|---|---|
| ≈m | 0.071 kg | Weight |
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NTN
NTN 1R45X50X25 Inner rings 45 × 50 × 25 mm
Inner rings
RFQ
Estimated delivery: 26 Jul 2026 (overseas stock, ~4 weeks)
In stockEstimated delivery: 26 Jul 2026 (overseas stock, ~4 weeks)
EX-WORKS (Incoterms 2020) Seoul, Korea — Buyer arranges freight, duties, and insurance.
- Bore
- 45 mm mm
- Outer Ø
- 50 mm mm
- Width
- 25 mm mm
Overview
NTN 1R45X50X25 Industrial Bearing is a core machine element that reduces shaft friction and supports loads to improve equipment efficiency and service life. It should be selected according to load direction, speed, and mounting space in motors, pumps, gearboxes, conveyors, and other machinery.
Bearings typically consist of inner ring, outer ring, rolling elements, cage, or sliding contact surfaces, with seals, shields, housings, or sleeves added depending on type. Lubrication and sealing conditions have a major impact on performance.
Key features
- Reduces rotational friction and supports load
- Covers various load directions and speed conditions
- Standard dimensions support easy replacement
- Sealing, lubrication, and clearance options available
Typical applications
- Motors, pumps, and fans
- Reducers and industrial gearboxes
- Conveyors and handling equipment
- General industrial machinery maintenance
Selection guidance
Select by shaft diameter, load direction, speed, mounting space, sealing/lubrication condition, and compatibility with the existing part number.
| Symbol | Value | Description |
|---|---|---|
| d | 45 mm | Bore diameter |
| D | 50 mm | Outside diameter |
| B | 25 mm | Width |
| H | Without lubrication groove | Lubrication hole diameter |
Also searched as
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:
NTN1R45X50X25NTN 1R45X50X25
