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Single Row Tapered Roller Bearing – 31305 J2
The 31305 J2 is a single row tapered roller bearing designed to accommodate combined radial and axial loads with low friction. Its separable components allow easy mounting, dismounting, and maintenance. This versatile bearing delivers high load-carrying capacity, long service life, and can be arranged in pairs for increased rigidity.
Original price was: $26.06.$24.69Current price is: $24.69.
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Description
The 31305 J2 tapered roller bearing from SKF features a conical design with tapered raceways and rollers, enabling it to manage high radial loads along with axial loads in one direction. With its optimized geometry, the bearing provides low friction operation, which contributes to energy efficiency and extended service life.
This bearing type is separable: the inner ring with rollers and cage (cone assembly) can be mounted separately from the outer ring (cup). This design simplifies installation and removal while allowing for interchangeability of components.
When used in applications requiring axial load support in both directions, a second bearing of the same type can be mounted in a mirror-image arrangement. Depending on application needs, paired arrangements (X, O, or tandem) enable precise preload adjustment, rigidity, and reliable performance.
As part of the SKF Explorer performance class, the 31305 J2 provides improved performance, reduced operating costs, and longer bearing service life.
Specifications
| Feature | Details |
|---|---|
| Part number | 31305 J2 |
| Weight | 0.271 kg |
| Bearing type | Single row tapered roller bearing |
| Number of rows | 1 |
| Bore type | Cylindrical |
| Cage | Sheet metal |
| Bore diameter (d) | 25 mm |
| Outside diameter (D) | 62 mm |
| Width (B, total) | 18.25 mm |
| Width, inner ring | 17 mm |
| Width, outer ring | 13 mm |
| Contact angle | 28.81° |
| Basic dynamic load rating (C) | 46.6 kN |
| Basic static load rating (C0) | 40 kN |
| Reference speed | 8 500 r/min |
| Limiting speed | 11 000 r/min |
| Arrangement of contact angle (double-row bearing) | Not applicable |
| Matched arrangement | No |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | Without |
| Locating feature, bearing outer ring | None |
| Bearing part | Complete bearing |
| SKF performance class | SKF Explorer |
| Coating | Without |
| Unit system | Metric |
Additional information
| Weight | 0.271 kg |
|---|
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