29288 E.MB Bore 440 Mm, Axial Spherical Roller Bearings With Solid Brass Cage
The 29288 E.MB Spherical Roller Thrust Bearings are suitable for heavy-duty applications involving alignment errors and impacts. Classic applications include large gate hoists in hydraulic engineering, ship stern tubes, mining crushers, continuous casting machine slewing tables, large crane slewing supports, and oil drilling rig rotary tables.
The 29288 E.MB bearing is a Axial spherical roller bearings with an inner diameter of 440 mm , an outer diameter of 600 mm, a width of 95 mm. GCr15, GCr15SiMn rings, GCr15, GCr15SiMn rolling mlement. Its dynamic axial rated load is approximately 2647728 N, its static axial rated load is approximately 13398904 N. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
29288 E.MB bearings ( 440 mm x 600 mm x 95 mm) have the advantages of withstand extremely high axial loads and has a self-aligning function to compensate for installation errors or shaft deformation, and are therefore widely used in the Ship propulsion systems, oil drilling rigs, large cranes, hydroelectric generators, and heavy-duty gearboxes.
| Part Number | 29288 E.MB |
| Bearing Type | Axial spherical roller bearings |
| Design Type | E = Increased capacity design |
| Cage | MB = Solid brass cage |
| Series | 292 series (292..-E-MB) |
| Thread holes | No |
| Locating | No |
| Permissible skewing | 1° to 1.5° |
| Bearing Mass - m [lb] | 163.1404 |
| Performance | |
| Axial Dynamic Capacity - Ca [lbf] | 595209 |
| Axial Static Capacity - C0a [lbf] | 3012073 |
| Axial Fatigue Capacity - Cua [lbf] | 147221 |
| Reference speed - nB [min–1] | 519 |
| Limiting speed - nG [min–1] | 963 |
| Dimension | |
| Inside - d φ [inch] | 17.3228 |
| Outside - D Φ [inch] | 23.6220 |
| Thickness - T [inch] | 3.7402 |
| T1 [inch] | 1.9291 |
| T2 [inch] | 1.3386 |
| T3 [inch] | 2.4016 |
| T4 [inch] | 2.7559 |
| A [inch] | 9.2520 |
| D1 [inch] | 19.9212 |
| d1 [inch] | 22.4409 |
| r(min.) [inch] | 0.1969 |
| Mounting dimensions | |
| da(min.) [inch] | 20.0787 |
| Da(max.) [inch] | 21.8110 |
| Db(min.) [inch] | 24.0157 |
| db(max.) [inch] | 18.0315 |
| ra(max.) [inch] | 0.1575 |
The 29288 E.MB Spherical Roller Thrust Bearings primarily consist of a shaft ring, a housing ring, asymmetrical drum-shaped rollers, and a cage assembly. The housing ring features a spherical raceway design, allowing the rollers to automatically adjust for alignment errors between the shaft and the housing ring.
The advantages of Spherical Roller Thrust Bearings lie in their superior self-aligning capability, effectively compensating for misalignment caused by installation skew or shaft deformation. They also possess extremely high axial load capacity, can withstand certain radial loads, and exhibit excellent impact resistance.
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