30202 bearing
15 × 35 mm · dynamic rating 18.5 kN · static rating 14.6 kN. Dimensions, load ratings, designation meaning, life estimates and equivalent parts.
30202 specification
| Designation | 30202 |
| Type | Tapered roller bearing |
| Series | 302 standard-angle |
| Bore diameter d | 15 mm |
| Outside diameter D | 35 mm |
| Basic dynamic load rating C | 18.5 kN (18,500 N) |
| Basic static load rating C0 | 14.6 kN (14,600 N) |
| Ratio C0/C | 0.79 |
| Speed guide, grease lubrication | 20,000 rpm |
| Life exponent p | 10/3 (roller bearing) |
Values come from the Rotec AI bearing catalogue and are indicative. Confirm against the manufacturer's current catalogue before ordering. Not every dimension (such as width) is listed here.
What the designation 30202 means
| Code | Meaning |
|---|---|
| 302 | Tapered roller bearing, standard contact angle series |
| 02 | bore code "02" = 15 mm (one of the four fixed small-bore codes, not the ×5 rule) |
Basic rating life of the 30202
Basic rating life is L10 = (C / P)p million revolutions, where P is the equivalent dynamic load and p = 10/3 (roller bearing). For a 30202 with C = 18.5 kN, the table shows what that gives at different load levels. It is the ISO 281 basic life only: it does not include lubrication, contamination, misalignment or reliability modifiers.
| C / P | P as share of C | L10 (million rev) | L10 at 1,500 rpm | L10 at 3,000 rpm |
|---|---|---|---|---|
| 3 | 33.3% | 39 | 430 | 220 |
| 5 | 20.0% | 214 | 2,400 | 1,200 |
| 8 | 12.5% | 1,024 | 11,400 | 5,700 |
| 12 | 8.3% | 3,956 | 44,000 | 22,000 |
For example, a C / P of 5 means the equivalent load is 3.7 kN on this bearing. Use the Load Calculator to work out P for your actual radial and axial loads.
Equivalents of the 30202
Brand-by-brand equivalents for this exact designation are not yet in the Rotec AI cross-reference tables. The Cross-Reference tool accepts SKF, FAG, NSK, NTN, Timken, Koyo and NRB designations, and shows what is catalogued.
Where the 30202 is used
Tapered roller bearings are chosen for: Combined radial and axial load; stiffness. Typical equipment: Wheel hubs, gearboxes, rail wheelsets, construction/agri equipment. Usually adjusted/preloaded; paired arrangements common.
Other sizes in the same series
The 30202 is size 1 of 28 in the Rotec AI catalogue for the “302 standard-angle” series. The next size up, the 30203, has a bore of 17 mm and a rating of 23.4 kN (+26%).
Common problems on bearings like the 30202
Most field failures trace back to lubrication, contamination, fits and alignment rather than the bearing itself. These guides explain how to recognise and prevent them:
Questions about the 30202
What are the dimensions of a 30202 bearing?
The 30202 has a bore of 15 mm and an outside diameter of 35 mm. It is a tapered roller bearing. Series: 302 standard-angle.
What is the load rating of a 30202 bearing?
In the Rotec AI catalogue the 30202 has a basic dynamic load rating C of 18.5 kN and a basic static load rating C0 of 14.6 kN. Always confirm against the manufacturer's current catalogue.
What is the equivalent of a 30202 bearing?
Brand equivalents for the 30202 are not yet in the Rotec AI tables. Use the Cross-Reference tool to check other designations.