SL04260-D-PP-2NR-C3 Bore 260 Mm, Cylindrical Roller Bearings, Full Complement, Sealed For Cable Sheave Bearings
The SL04260-D-PP-2NR-C3 Full complement cylindrical roller bearings are widely used in low-speed, heavy-load applications with high impact loads, such as: construction machinery (cranes, excavators), rolling mills (roll supports), mining machinery (crushers), wind power generation (main shafts), marine propulsion systems, and heavy-duty gearboxes.
The SL04260-D-PP-2NR-C3 bearing is a Cylindrical roller bearings with snap ring grooves Full complement, sealed with an inner diameter of 260 mm , an outer diameter of 340 mm, a width of 95 mm. It typically uses PN grade precision tolerances and GCr15 / 100Cr6 rings, GCr15 / 100Cr6 rolling mlement. Its dynamic radial rated load is approximately 838921 N, its static radial rated load is approximately 1989346 N. It uses C3 standard radial clearance, PP = Seals on both sides, for cable sheave bearings type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
SL04260-D-PP-2NR-C3 bearings ( 260 mm x 340 mm x 95 mm) have the advantages of The cageless design maximizes the number of rollers, resulting in extremely high radial load capacity and impact resistance, and are therefore widely used in the Rolling mills, hoisting machinery, large gearboxes, injection molding machines and mining equipment.
| Part Number | SL04260-D-PP-2NR-C3 |
| Design Type | D = New outer Contour |
| Type | SL04 |
| Bearing Type | Cylindrical roller bearings with snap ring grooves Full complement, sealed (locating bearing) |
| Application | Cable sheave bearings |
| Manufacturer Part Code | SL04260.D.PP.2NR |
| Series | SL04..-D-PP-2NR |
| Tolerance class | PN |
| Radial internal clearance | C3 |
| Holding rings | 2NR = Cable sheave bearing supplied with two loose-packed retaining rings WRE |
| Ring | outer ring(central), inner ring(3) |
| Seal type | PP = Seals on both sides, for cable sheave bearings |
| Chamfer angle | 30 |
| Snap ring WRE | WRE340 |
| Retaining ring to DIN 471 | 340X6 |
| Weight [lb] | 46.517 |
| d φ Inside [inch] | 10.236 |
| D Φ Outside [inch] | 13.386 |
| B Width [inch] | 3.740 |
| C Width [inch] | 3.701 |
| C1 (+0.2) [inch] | 3.276 |
| D1 [inch] | 13.150 |
| m [inch] | 0.248 |
| r(min.) [inch] | 0.039 |
| t [inch] | 0.118 |
| X [inch] | 2.953 |
| Cr Radial Dynamic [lbf] | 188589 |
| C0r Radial static [lbf] | 447204 |
| Cur Radial Fatigue [lbf] | 51250 |
| nb Limiting speed (grease) [rpm] | 502 |
| Mounting dimensions | |
| d1 [inch] | 11.535 |
| d2 [inch] | 12.205 |
| d3 [inch] | 14.409 |
| d1 (min) [inch] | 11.535 |
| Ca1(–0.2) [inch] | 2.953 |
| Ca2(–0.2) [inch] | 2.795 |
The SL04260-D-PP-2NR-C3 Full complement cylindrical roller bearings mainly consist of an inner ring, an outer ring, cylindrical rollers, and a sealing device, without a cage. The rollers and raceways are fully fitted, maximizing the number of rollers. They typically employ a NU or N-type design, allowing for axial displacement compensation.
Full complement cylindrical roller bearings have extremely high radial load capacity. Due to the large number of rollers and the absence of a cage, their load capacity is more than 30% higher than that of caged bearings of the same size. They have a compact structure, making them suitable for heavy-duty applications in confined spaces. They also offer excellent shock resistance, making them suitable for withstanding vibrations and transient overloads.
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