Z-577902.ZL Bore 690 Mm, Split Cylindrical Roller Bearings For Rolling Mill Drive Shafts, Locating Bearing
The Z-577902.ZL Split single-row cylindrical roller bearings are widely used in heavy equipment where maintenance is limited or rapid replacement is required, including: steel rolling mills (cold rolling mill crankshafts), mining conveyor equipment (belt conveyor rollers), large fans, continuous casting lines, ship propulsion shafts, and cement plant mill motors.
The Z-577902.ZL bearing is a Split cylindrical roller bearings For Rolling Mill Drive Shafts, Double row, Locating bearing with an inner diameter of 690 mm , an outer diameter of 865 mm, a width of 390 mm. GCr18Mo, G20Cr2Ni4A rings, GCr18Mo, G20Cr2Ni4A rolling mlement. Its dynamic radial rated load is approximately 3549716 N, its static radial rated load is approximately 10199120 N. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
Z-577902.ZL bearings ( 690 mm x 865 mm x 390 mm) have the advantages of The split design facilitates installation and maintenance, reduces downtime, and retains high radial load capacity, low friction, and high speed characteristics, and are therefore widely used in the Continuous casting machines, rolling mills, large conveying equipment, papermaking machinery, and ship propulsion systems.
| Part Number | Z-577902.ZL |
| Interchangeable | FAG Z-577902.ZL |
| Design | 8 |
| Bearing Type | Split cylindrical roller bearings For Rolling Mill Drive Shafts, Double row, Locating bearing |
| Bearing Mass - m [lb] | 1170.643 |
| Rows NO. | Double row |
| Dimension | |
| Inside - d φ [mm] | 690 |
| Outside - D Φ [inch] | 34.055 |
| Width - B [inch] | 15.354 |
| Width - C [inch] | 11.181 |
| d1 [inch] | 32.087 |
| r(min.) [inch] | 0.472 |
| Performance | |
| Radial Dynamic - Cr [lbf] | 797976 |
| Radial static - C0r [lbf] | 2292762 |
| Radial Fatigue - Cur [lbf] | 188674 |
The Z-577902.ZL Split single-row cylindrical roller bearings are primarily composed of a split outer ring (divided into two halves), a split inner ring (divided into two halves), cylindrical rollers, and a split cage. All components are connected and secured by bolts or clamping rings, allowing for on-site assembly on the shaft.
Split single-row cylindrical roller bearings offer extremely convenient installation and maintenance, eliminating the need to disassemble adjacent components such as couplings and gears on the shaft, significantly reducing downtime (by 50%-70%). They maintain the high radial load capacity and low friction characteristics of traditional cylindrical roller bearings, and can be equipped with sealing solutions to prevent contamination.
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