| Symbol | Value | Description |
|---|---|---|
| ≈m | 0,879 kg | Weight |
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FAG
FAG KM21 Nuts 105 × 140 × 18 mm
Nuts
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
- 105 mm mm
- Outer Ø
- 140 mm mm
- Width
- 18 mm mm
Overview
FAG KM21 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 | 105 mm | Bore diameter |
| D | 140 mm | Outside diameter |
| B | 18 mm | Width |
| Code | Description |
|---|---|
| Standard bearing steel | Material |
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:
FAGKM21FAG KM21
