30203 Bearing Dimensions Specification:
30203 bearing dimensions are 17×40×13.25mm.
For this bearing model,
d: 17mm
D: 40mm
T: 13.25mm
Weight: 0.07kg
Cage: Stampled steel
Material：Chrome steel, Gcr15
Limiting speed: 12000 rpm
A: Internal design has modification
Structure：Taper roller bearing, separable, adjusted or in pairs
Also Known As: 30203, 30203-A，30203A，30203J, 30203J2/Q, 30203 J2/Q, 4T-30203 etc.
Single Row Taper Roller Bearing Size Chart mm:
| Model Number | Specifications(dxDxB) | Weight/kg |
| 30202 | 15×35×12 | 0.050 |
| 30203 | 17×40×13.25 | 0.078 |
| 30204 | 20×47×15.25 | 0.120 |
| 30205 | 25×52×16.25 | 0.144 |
| 30206 | 30×62×17.25 | 0.232 |
| 30207 | 35×72×18.25 | 0.318 |
| 30208 | 40×80×19.75 | 0.400 |
| 30209 | 45×85×20.75 | 0.442 |
| 30210 | 50×90×21.75 | 0.520 |
| 30211 | 55×100×22.75 | 0.705 |
| 30212 | 60×110×23.75 | 0.886 |
| 30213 | 65×120×24.75 | 1.160 |
| 30214 | 70×125×26.25 | 1.250 |
| 30214/T | 70×125×26.25 | 1.290 |
| 30215 | 75×130×27.25 | 1.340 |
Tapered Roller Bearing 30203 Photo:
Single Row Taper Roller Bearings Advantages:
1. Low friction resistance, flexible starting, and high efficiency (n=0.98~0.99)
2. Bearing capacity per unit width is strong
3. The consumption of non-ferrous metals is greatly reduced
4. Cups and cones are separable, which are easy to replace, lubricate and maintain
