Used C&U Ball Bearing for sale (74,612)

Condition: new, functionality: fully functional, Year of construction: 2026, Dry and Wet Ball Mill: Structure, Operation, and Technical Details A ball mill is a fundamental grinding device used in mineral processing, cement manufacturing, chemical production, and other industrial applications. It works by rotating a cylindrical shell filled with grinding media—usually steel balls—causing impact and friction that reduce materials to fine powder. Based on the grinding environment, ball mills are classified into dry and wet types, each suited for specific materials and process requirements. Working Principle Both dry and wet ball mills operate on the same mechanical principle. The rotating cylinder, driven by a motor through a gear system, lifts the grinding media and material along the inner wall. As the rotation continues, the balls fall under gravity, striking and grinding the material. The difference lies in the presence or absence of a liquid medium during grinding. Dry Ball Mill A dry ball mill is used when the material must remain moisture-free or when water could affect product quality. It is commonly applied in cement clinker, limestone, quartz, and refractory material grinding. The discharge can be either grate type or overflow type, depending on the desired fineness. Technical Features: Ledpfsq Nx Alox Abzsag Feeding size: ≤25 mm Discharge size: 0.075–0.4 mm Capacity: 0.65–90 t/h Liner material: High manganese steel or wear-resistant alloy Drive system: Gear-driven or direct-coupled motor Dust control: Equipped with air exhaust and dust collector Advantages: Suitable for materials sensitive to moisture No drying process required after grinding Lower corrosion risk and simpler maintenance Easier material classification and separation Limitations: Dry grinding produces more dust and heat, requiring efficient ventilation and dust collection systems. Wet Ball Mill A wet ball mill operates with water or another liquid medium added to the material. The slurry formed during grinding improves efficiency by reducing friction and preventing excessive heat buildup. It is widely used in ore beneficiation, ceramics, and chemical industries. Technical Features: Feeding size: ≤25 mm Discharge size: 0.074–0.2 mm Capacity: 0.65–615 t/h Liner material: Rubber or high-chromium steel Discharge method: Overflow or grate type Auxiliary equipment: Classifier, pump, and thickener for slurry circulation Advantages: Higher grinding efficiency and finer particle size Reduced dust and noise levels Continuous operation suitable for beneficiation circuits Better control of particle uniformity Limitations: Requires drying if the final product must be in powder form and involves more complex slurry handling. The selection between dry and wet grinding depends on the material characteristics, downstream process, and environmental conditions. Dry mills are preferred for materials that must stay moisture-free, while wet mills are ideal for fine grinding and slurry-based processes. Conclusion Dry and wet ball mills share the same mechanical structure but differ in their grinding environment and application scope. The dry type offers simplicity and low maintenance for moisture-sensitive materials, while the wet type provides higher efficiency and finer output for mineral and chemical processing. Understanding their technical parameters and operational differences ensures optimal equipment selection, improved productivity, and reliable performance in industrial grinding operations.

Year of construction: 2026, condition: new, ceramic ball mill ,Batch ball mill ,also called ceramic ball mill ,it is used for fine grinding of feldspar,quartz,clay,ore and so on.The ceramic ball mill is mainly used for material mixing, grinding,uniform product fineness,and saving power.It can be dry or wet.The machine can use different liner types according to production needs to meet different needs.The fineness of the grinding operation is controlled by the grinding time ceramic ball mill Working principle when ball mill working,steel balls inside drum will rotate with the drum to some height,and then steel balls fall down with materials to reach the point of grinding. Working Principle of Ceramic ball mill ceramic ball mill ,Intermittent ball mill grinding operation is finished in the cylinder body. When the cylinder rotates, materials ascend to a certain height and then fall along a certain path due to the balls' gravity. Two forces are generated on the balls inside. One is the force on balls through tangent direction; the other is a opposite force in the contrast to the diameter of balls, as a result of the force generated when the balls slide down. These two forces will constitute a couple for the steel balls. The balls are squeezed between the cylinder and the adjacent steel balls, so the couple can make unequal-sized friction force. The balls will orbit along with the cylinder axis and then fall down, which can produce a strong impact force on the ores in the cylinder body and, as a result, the ores will be crushed. In conclusion, the ores in the cylinder body are mainly crushed by composite effect of peeling force, impact force and extrusion force. Ceramic ball mill also named Intermittent ball mill which adopts the wet intermittent operation, is used for fine grinding and mixing the material such as feldspar, quartz, clay ceramic raw materials. The discharging and the mud size can through through 1000 sieve pore. This machine is high milling machinery, materials should be Broken in the fineness of the state into the grinding mill to get the highest efficiency and economic benefits. The cement mill is key equipment for the grinding process of the cement clinker after the crushing process of it. It is mainly used in the cement silicate product industry. After long term design and manufacture of the cement mill, our company now has series of cement mill with various specifications to meet with different requirement from our customers. Laodpfxsvzx Auj Abzsg Features of Cement Mill Our company adopts suitable transmission methods according to different specifications. We have brim drive and center drive as transmission form. The cylinder adopts new type step lining to increase the grinding area. And it is easily repairable and changeable. The new designed separate-chambered structure adopts flexible lifting blade and fixed lifting blade and it is easily fixed and repaired. Technical Details We have different models and options for different requirements, please contact us for more info.

Condition: used, Proximity switch, cylinder sensor, magnetic field sensor Ljdpfx Aod Tpkxobzsag -Product type: BMF 315K-PS-C-2-PU-05 -Number: 6x available -Price: per piece -Weight: 70 g

Condition: new, Balluff BIS00A9 BIS C-602-019-xxx-03-KL2 24 Vdc evaluation unit with BIS C-670-00,3 cable and BCC011N connector, unused, 100% functional, delivery as per photos. Lasdpfxjy Np Eno Abzjg

Condition: ready for operation (used), Balluff BIS C-6002-19-…-03-ST11 0733 DE / BIS C-650 Evaluation unit, used, shows normal signs of wear and tear, 100% functional, scope of delivery as shown in the photos. Laodpfsi D T Dyjx Abzsg

Condition: ready for operation (used), Balluff BIS C-620ST2-S evaluation unit, used, in good condition, 100% functional. Lodsi D T D Depfx Abzjag

Condition: ready for operation (used), Balluff BIS C-620ST2-S Evaluation Unit, Software/Hardware Version 1.3, used, 100% functional. Lasdpfx Aoi D T D Ijbzeg

Condition: ready for operation (used), Balluff BIS C-620ST2-S evaluation unit, version 1.3, used, 100% functional. Laedpfx Aei D T D Ssbzjg

Year of construction: 2019, condition: new, Brand C&U Group Shanghai Bearing Co Ltd Model: TM6307/41RS Laodpsqa Anqsfx Abzjg Year of manufacture: Unused Weight (kg) approx 6790 net Number of pieces in stock 17350 ( approx ) Made in China Comments Contact us for min. quantity Terms of sale Contact us for min. quantity

Condition: new, Year of construction: 2026, A superfine ball mill is a type of milling machine that is used to grind materials into very fine particles. This type of ball mill has some distinctive features that make it especially suitable for processing even the hardest materials with low contamination and minimal wear. It is commonly used in various industries, including pharmaceuticals, minerals, pigments, and chemicals, for producing micro powder or nanoparticles. Here are some key features and considerations for a superfine ball mill for micro powder: 1. High Grinding Efficiency: Superfine ball mills are designed to achieve high grinding efficiency by utilizing grinding media with a relatively small size, leading to a large surface area for grinding. 2. Precision Control: These mills often come with advanced control systems to regulate parameters like rotation speed, temperature, and grinding time, allowing precise control over the particle size distribution. 3. Specialized Design: The mill is typically designed with features to minimize contamination, such as using materials resistant to wear and corrosion. Some mills also have cooling systems to prevent overheating during the milling process. 4. Variety of Materials: Superfine ball mills can handle a wide range of materials, including both brittle and fibrous substances. They are often used for milling hard materials that require fine grinding, such as ceramics, minerals, or pigments. 5. Size Reduction to Micro or Nano Level: The primary goal of a superfine ball mill is to reduce particle size to the micro or even nano level. This is achieved by the intense grinding action that occurs within the mill. 6. Classifier System: Some superfine ball mills incorporate a classifier system to control the particle size distribution more precisely. This allows for the separation of fine particles from coarser ones during the milling process. 7. Batch or Continuous Operation: Depending on the specific design, these mills can operate in either batch or continuous mode, offering flexibility based on the production requirements. Lodpfx Asq Nf Uwsbzsag 8. Safety Measures: Safety features may be included, such as monitoring and control systems to prevent overloading, overheating, or other potential issues during operation. When selecting a superfine ball mill for micro powder production, it's important to consider the specific requirements of your application, the characteristics of the materials you're working with, and the desired final particle size distribution. Always follow the manufacturer's guidelines for operation, maintenance, and safety to ensure optimal performance and longevity of the equipment.

Condition: good (used), Year of construction: 2017, Universal machining center Machine type: Hermle C 400 U Control: Heidenhain TNC 640 Year: 2017 SPECIFICATIONS Travel X-Axis: 850 mm Y-Axis: 700 mm Z-Axis: 500 mm A-Axes: 25 1/min. C-Axis: 30 1/min. Ljdez Eadzjpfx Abzoag Spindle speeds: 18.000 rpm Spindle power: 20 kW Torque: 173 Nm Tool: HSK 63 Toolchanger Tool capacity: 38 + 50 NC-panning and rotary Table Table size: Ø 650mm mm Angular range: +91° / -139° Equipment Electronical handwheel Chip conveyor Caliper: Heidenhain Tool measurement: BLUM Oil mist separator

Condition: ready for operation (used), Year of construction: 2000, operating hours: 38,515 h, spindle speed (max.): 10,000 rpm, overall weight: 6,500 kg, travel distance X-axis: 450 mm, travel distance Y-axis: 300 mm, travel distance Z-axis: 400 mm, controller manufacturer: HEIDENHAIN, controller model: iTNC 426, number of axes: 5, This 5-axis HERMLE C 600 U was manufactured in 2000. It features an X-axis travel of 450 mm, Y-axis travel of 300 mm, and Z-axis travel of 400 mm, providing versatile machining capabilities. The machine is equipped with a HSK 63 tool holder and a Heidenhain iTNC 426 CNC control for precision operations. If you are looking to get high-quality machining capabilities, consider the HERMLE C 600 U universal machining centre we have for sale. Contact us for further details. • Interference circle (Störkreis): 400 mm • Operation voltage: 400 V (3 phase, 50 Hz) • Control voltage: 24 V (DC) • Total nominal current: 63 A • Total power rating: 42 kVA • Spindle on: 38,515 hours • Axes in motion: 36,413 hours • CTS • Chip conveyor Technical Specification Taper Size HSK 63 Lodpfxoz D S Ayj Abzsag Through-spindle Coolant Yes

Year of construction: 1985, condition: used, Spindle nose: A11, turret: VDI60, voltage: 380V, rated current: 153A, fuse protection: 160A, control: Philips B2T, one tool position for boring bars is defective, no driven tools, without chuck, with documentation and maintenance records, the machine was mechanically overhauled in 2010. An on-site inspection is possible, available from mid-December 2026. Lodpjz Agfpjfx Abzsag

Condition: ready for operation (used), Year of construction: 2000, operating hours: 85,542 h, travel distance X-axis: 600 mm, controller manufacturer: HEIDENHAIN, overall weight: 6,500 kg, spindle speed (max.): 16,000 rpm, number of axes: 5, This 5-axis HERMLE C 600 U was manufactured in 2000. It has a net weight of 6500 kg and includes a Knoll unit with internal cooling. If you are looking to get high-quality machining capabilities, consider the HERMLE C 600 U vertical machining centre we have for sale. Contact us for further details. - Spindle Operating Hours: 31,764 h- Internal Coolant Supply (IKZ) Pressure: 20 bar- Tool Taper: SK40- Operating Voltage: 400 V / 3-phase- Frequency: 50 Hz- Control Voltage: 24 V- Nominal Current: 63 A- Total Connected Load: 42 kVA- The folding roof needs replacement. Additional Equipment included: Lodpfxezyr Rlj Abzoag Knoll internal cooling system, approx. 200–300 pieces of various shrink-fit chucks (long & short), mandrels, collets, drill chucks Technical Specification Taper Size SK 40

Condition: good (used), Year of construction: 1996, functionality: fully functional, Work area: 800x600x500 Rapid traverse rate: 30 m/min Spindle speed: 15000 RPM, SK40 NC rotary table, diameter = 280 mm Electronic handwheel module Electrical thermal expansion compensation Ethernet interface, TNC 426/430 Measuring probe system, SK40, Renishaw Laodszv Syfepfx Abzjg Chip conveyor without chip cart Enclosed cabin roof section Air blow-off device, C800 The spindle was replaced in May 2018 with a total operating time of 25,185 hours. The current operating time is 31,083 hours. This means that the spindle has been in operation for 5,898 hours since its replacement.

Condition: used, Falling Ball Viscometer like Thermo HAAKE Type C THERMO ELECTRONIC CORPORATION Type 002-7580 Serial No.: With the Thermo falling ball viscometer, you can measure viscosity precisely without electricity, using only a stopwatch. It allows for accurate measurement of the viscosity of transparent Newtonian liquids and gases. Measuring principle: A ball moves by rolling and sliding inside an inclined cylindrical tube filled with the liquid to be tested. The time it takes for the ball to travel a defined measuring distance is recorded. By swiveling the measuring section, the return movement of the ball can also be used for measurement. The result is displayed as dynamic viscosity in mPa·s. Max. viscosity: 100,000 mPa·s Min. viscosity: 0.5 mPa·s Standards: DIN 53015, ISO 12058 Reproducibility: < 0.5% Thermometer: -1 °C to +26 °C (read-out accuracy 0.1 °C) Ball set Type 800-0182 with 6 balls (balls 1 and 2 made of borosilicate glass; balls 3, 4, 5 and 6 made of nickel-iron alloy) Ljdpfx Asxcbnrobzoag Recommended for: Chemical industry (polymer solutions, solvents, printing inks) Pharmaceutical industry (raw materials, glycerin) Mineral oil industry (oils, liquid hydrocarbons) - Inner glass tube (falling tube) damaged on one side at the screw socket (see images). Replacement part no. 002-6968 Dimensions of inner tube: outer diameter 20 mm; inner diameter 16 mm; wall thickness 2 mm; length 225 mm Dimensions (W x H x D): 170 x 310 x 220 mm Weight: 3.5 kg

Year of construction: 1985, condition: ready for operation (used), Voltage: 380V, current consumption: 125/118A, control system: Philips B2T 6, equipment: hydraulically actuated turret vorhanden, enclosed working area with slant bed geometry, hydraulic clamping system, piping, condition: fully functional, very good mechanical condition, visually well maintained, partially overhauled, tool turret: angular position encoder completely renewed, turret indexes absolutely faultlessly and precisely according to the data sheet, CNC control system: power supply professionally overhauled, main spindle drive: power section/drive completely overhauled, with power chuck and base jaws. An on-site inspection is possible. Ljdpfjy U Nqnsx Abzeag

Condition: excellent (used), Year of construction: 1985, Control: Philips B2T Swinging diameter: 640 mm Machining diameter, longitudinal: 550 mm Machining diameter on the turret: 450 mm Lasdjzpy Rrjpfx Abzog Turning length: 1000 mm Spindle speed: 2,240 rpm Spindle bore: 103 mm 12-position turret, VDI 60 Chip conveyor

Condition: used, Year of construction: 2007, travel -x axis 650 mm travel -y axis 600 mm travel -z axis 500 mm control HEIDENHAIN - iTNC 530 Lodpfxozaf Hue Abzsag number of spindle speeds 10.000 U/min NC rotary indexing table Ø 630 mm numbers of positions in the tool changer 32 tool taper SK 40 5-axis simultaneous machining center | HERMLE - C 30 U equipped with ITC (80 bar), NC swivel rotary table, tool changer & chip conveyor. The Z-axis motor was replaced in 2025, and the spindle was already replaced in 2015 at 7,100 operating hours. The machine is in a well-maintained condition. Please refer to further technical details in the attachement of the offer. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #Tags: C30U | C-30U | C-30 U

Condition: excellent (used), Year of construction: 1998, x-travel 800 mm y-travel 600 mm z-travel 500 mm Ljdsx Dndcspfx Abzoag

Condition: used, Roller conveyor with ball-bearing metal rollers and feet Roller width: 495 mm Roller diameter: 50 mm Total length of the roller conveyors: 1950 mm Number of rollers: 25 Total width: 540 mm Overall height: 500 - 700 mm - Ball-bearing metal rollers - Roller spacing can be flexibly adjusted - Perforated side profiles with screwed-in rollers and spacers - 2 frame feet with height-adjustable foot supports Weight: approx. 45 kg Good condition Laodpezinwysfx Abzeg

Condition: new, 2 pieces = 1 set NSK AXIAL-RADIAL THRUST BALL BEARING Laodjzh E Igepfx Abzeg 76.2x110x16 76 TAC 110 A DB C11 PN7 A PRESSURE ANGLE 60° INSTALLATION IN O-ARRANGEMENT

Condition: excellent (used), Roller bearings, ball bearings, barrel bearings, bearings, rolling bearings, thrust bearings, linear ball bearings -Linear ball bearings -Inner diameter: 30 mm -Outer diameter: 47 mm Ledpfx Abofgyf Iozsag -Length: 68 mm -Price: per piece -Quantity: 117 pieces -Weight: 0.3 kg/piece

Condition: excellent (used), Axial groove ball bearings, axial groove ball bearings, axial ball bearings, axial bearings Lasdpfx Aef Ngcgjbzeg -Manufacturer: ISB, axial ball bearing 51144M -Main dimensions according to: ISO 9001:2000 -Outer diameter: 270 mm -Width: 37 mm -Inner diameter: 220 mm -Number: 4x ball bearings available -Price: per piece -Weight: 4.5 kg

Condition: used, Fiber optic cables, fiber optic cables, data cables, LAN cables, fiber optic cables, coax cables, antenna cables Lsdef T Sn Sjpfx Abzoag -Manufacturer: all-cable, coaxial cable 50 Ohm -Type: RG 58 C/U MIL-C 17 F-ROHS -Application area: indoor -Length: 352 m -Price: complete -Dimensions roll: Ø 400 x 420 mm -Weight: 16 kg