Koyo/JTEKT NKS25 Machined Needle Bearing HD w/o Inner 25x38x20mm
Regular price
$110.26
Sale price
$110.26
Regular price
Inc. GST
Available
Koyo/JTEKT NKS25. Ground race: drops in to needle bearing assembly. Pairs with drawn-cup or machined needle bearings. Standard sizing matches OEM. Machined Type Needle Roller Bearing w/o Inner Ring (NKS) completes a needle bearing assembly when the shaft is not hardened to race quality.
Type: Needle roller bearing inner ring. Construction: Ground precision race. Pairs with: Drawn-cup or machined needle bearings.
Available Sizes
11 sizes available — select the exact size you need from the dropdown above. Key figures for each:
| Inside Diameter (mm) | Outside Diameter | Basic Load Rating Radial (kn) Cr | Basic Load Rating Radial (kn) C0r | Limiting Speed Grease Oil Lub. |
|---|---|---|---|---|
| 25 | 38 mm | 29.1 | 33 | 19000 |
| 28 | 42 mm | 30.3 | 38.4 | 16000 |
| 30 | 45 mm | 34.3 | 42.8 | 15000 |
| 32 | 47 mm | 36 | 46.2 | 14000 |
| 35 | 50 mm | 37.5 | 49.9 | 13000 |
| 37 | 52 mm | 39 | 53.4 | 12000 |
| 40 | 55 mm | 40.3 | 57 | 11000 |
| 45 | 60 mm | 43 | 64.2 | 9800 |
| 50 | 65 mm | 45.5 | 71.3 | 8700 |
| 60 | 80 mm | 66.9 | 103 | 7300 |
| 75 | 95 mm | 76.5 | 132 | 5800 |
Where This Is Used
- Machined Type Needle Roller Bearings (NA49UU, NA69UU, TAFI, NK, NKS inner ring types, with and without inner ring) provide high radial load capacity in compact axial space for gearboxes, pumps, and precision machinery.
- General Engineering and Gearboxes Industrial gearbox and machinery machined needle roller bearing supply.
- Pump, drive, and precision engineering needle bearing replacement.
- Engineering plant and machinery compact bearing maintenance.
- Automotive and Transport Vehicle and commercial vehicle drivetrain machined needle bearing supply.
- Automotive gearbox and powertrain compact bearing replacement.
- Fleet bearing maintenance and supply.
- Mining and Heavy Industry Mine plant gearbox and equipment needle bearing supply.
- Heavy industrial machinery compact high-load bearing replacement.
- Mining equipment compact bearing maintenance.
Features
- Features.
- Thick outer ring provides maximum load capacity and shock resistance with a relatively small radial cross section.
- Benefits.
- Optimum speed and lubrication-retention capability.
Full engineering specifications (all 13 fields, 11 sizes)
| Inside Diameter (mm) | Outside Diameter | R Min. (mm) | Limiting Speed Grease Oil Lub. | Shaft Diameter (mm) | Outside Diameter (mm) | Basic Load Rating Radial (kn) C0r | Limiting Speed Grease Lub. | Fatigue Load Limit Cu (kN) | Bore Diameter | Width | Basic Load Rating Radial (kn) Cr | Width (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 25 | 38 mm | 0.6 | 19000 | 25 | 38 | 33 | 12000 | 5.3 | 25 mm | 20 mm | 29.1 | 20 |
| 28 | 42 mm | 0.6 | 16000 | 28 | 42 | 38.4 | 11000 | 6.15 | 28 mm | 20 mm | 30.3 | 20 |
| 30 | 45 mm | 0.6 | 15000 | 30 | 45 | 42.8 | 9900 | 6.85 | 30 mm | 20 mm | 34.3 | 20 |
| 32 | 47 mm | 0.6 | 14000 | 32 | 47 | 46.2 | 9200 | 7.4 | 32 mm | 22 mm | 36 | 22 |
| 35 | 50 mm | 0.6 | 13000 | 35 | 50 | 49.9 | 8400 | 8 | 35 mm | 22 mm | 37.5 | 22 |
| 37 | 52 mm | 0.6 | 12000 | 37 | 52 | 53.4 | 7900 | 8.55 | 37 mm | 22 mm | 39 | 22 |
| 40 | 55 mm | 0.6 | 11000 | 40 | 55 | 57 | 7200 | 9.15 | 40 mm | 22 mm | 40.3 | 22 |
| 45 | 60 mm | 0.6 | 9800 | 45 | 60 | 64.2 | 6400 | 10.3 | 45 mm | 22 mm | 43 | 22 |
| 50 | 65 mm | 1 | 8700 | 50 | 65 | 71.3 | 5700 | 11.4 | 50 mm | 22 mm | 45.5 | 22 |
| 60 | 80 mm | 1.1 | 7300 | 60 | 80 | 103 | 4800 | 16.5 | 60 mm | 28 mm | 66.9 | 28 |
| 75 | 95 mm | 1.1 | 5800 | 75 | 95 | 132 | 3700 | 21.1 | 75 mm | 28 mm | 76.5 | 28 |
Product Highlights
Resources
Couldn't load pickup availability
Payment & Security
Payment methods
Secure Checkout. We do not store credit card details
Available Options:
-
38 mmmm bearing
Model Number: NKS25/KOYO
-
42 mmmm bearing
Model Number: NKS28/KOYO
-
45 mmmm bearing
Model Number: NKS30/KOYO
-
47 mmmm bearing
Model Number: NKS32/KOYO
-
50 mmmm bearing
Model Number: NKS35/KOYO
-
52 mmmm bearing
Model Number: NKS37/KOYO
-
55 mmmm bearing
Model Number: NKS40/KOYO
-
60 mmmm bearing
Model Number: NKS45/KOYO
-
65 mmmm bearing
Model Number: NKS50/KOYO
-
80 mmmm bearing
Model Number: NKS60/KOYO
-
95 mmmm bearing
Model Number: NKS75/KOYO
