SKF · rolling bearings
SKF 23256 CC/W33
Spherical roller bearings — manufacturer technical reference and quotation support in Saudi Arabia.
لطلب عرض سعر في السعودية، أرسل رقم القطعة أو المقاس والكمية والمدينة. يُرجى تأكيد التوافق والتوفر والسعر مع فريقنا.
| Bore diameter | 280 mm |
|---|---|
| Outside diameter | 500 mm |
| Width | 176 mm |
| Basic dynamic load rating | 3425 kN |
| Basic static load rating | 4900 kN |
| Reference speed | 800 r/min |
| Limiting speed | 1100 r/min |
| SKF performance class | SKF Explorer |
| Number of rows | 2 |
| Locating feature, bearing outer ring | Without |
| Bore type | Cylindrical |
| Cage | Sheet metal |
| Radial internal clearance | CN |
| Tolerance class for dimensions | Normal |
| Tolerance class for run-out | P5 |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | With |
| Candidate for remanufacturing | Yes |
| Indicative carbon footprint for new product | 537 kg CO_2e |
| Indicative carbon footprint for remanufactured product | 178 kg CO_2e |
| Product net weight | 145 kg |
| eClass code | 23-05-09-11 |
| UNSPSC code | 31171510 |
| Dimensions · Bore diameter · (d) | 280 mm |
| Dimensions · Deviation limits of mid-range bore diameter · (t_Δdmp) | -0.035 to 0 mm |
| Dimensions · Outside diameter · (D) | 500 mm |
| Dimensions · Deviation limits of mid-range outside diameter · (t_ΔDmp) | -0.045 to 0 mm |
| Dimensions · Width · (B) | 176 mm |
| Dimensions · Deviation limits of ring width · (t_ΔBs) | -0.1 to 0 mm |
| Dimensions · Shoulder diameter of inner ring · (d_2) · ≈ | 332 mm |
| Dimensions · Shoulder/recess diameter of outer ring · (D_1) · ≈ | 429 mm |
| Dimensions · Width of lubrication groove · (b) | 22.3 mm |
| Dimensions · Diameter of lubrication hole · (K) | 12 mm |
| Dimensions · Chamfer dimension · (r_1,2) · min. | 5 mm |
| Dimensions · ISO tolerance class for dimensions | Normal |
| Abutment dimensions · Diameter of shaft abutment · (d_a) · min. | 300 mm |
| Abutment dimensions · Diameter of housing abutment · (D_a) · max. | 480 mm |
| Abutment dimensions · Radius of fillet · (r_a) · max. | 4 mm |
| Calculation data · SKF performance class | SKF Explorer |
| Calculation data · Basic dynamic load rating · (C) | 3425 kN |
| Calculation data · Basic static load rating · (C_0) | 4900 kN |
| Calculation data · Fatigue load limit · (P_u) | 360 kN |
| Calculation data · Reference speed | 800 r/min |
| Calculation data · Limiting speed | 1100 r/min |
| Calculation data · Limiting value · (e) | 0.35 |
| Calculation data · Calculation factor · (Y_1) | 1.9 |
| Calculation data · Calculation factor · (Y_2) | 2.9 |
| Calculation data · Calculation factor · (Y_0) | 1.8 |
| Tolerances of run-out · Range of section height at inner ring of assembled bearing · (t_Kia) | 13 µm |
| Tolerances of run-out · Maximum run-out of inner ring side face to the bore · (t_Sd) | 13 µm |
| Tolerances of run-out · Range of section height at outer ring of assembled bearing · (t_Kea) | 23 µm |
| Tolerances of run-out · Perpendicularity of outer ring outside surface · (t_SD) | 7.5 µm |
| Tolerances of run-out · ISO tolerance class for geometrical tolerances | P5 |
| Radial internal clearance · Minimum initial clearance | 170 µm |
| Radial internal clearance · Maximum initial clearance | 260 µm |
Family specifications and selection conditions
| Product description | Spherical roller bearings can accommodate heavy loads in both directions. They are self-aligning and accommodate misalignment and shaft deflections, with virtually no increase in friction or temperature. The design includes features to facilitate relubrication. The bearings can be used in a modular system, including housings, sleeves and nuts. Also available on request with special sized bore and/or outside diameters, suitable for reworked shafts and housings. |
|---|---|
| Manufacturer features | Accommodate misalignment • High load carrying capacity • Relubrication features • Low friction and long service life • Increased wear resistance |
Manufacturer references
Follow the complete manufacturer documentation for application restrictions, materials, tolerances and installation requirements. Limits may not apply simultaneously. We do not publish inferred stock, pricing or ratings.