Used C&U Ball Bearing for sale (74,915)

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

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

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. Pjdjy Np Enspfx Aflsgp

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

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. Pgjdpfoi D T Dyox Afljp

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

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

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: 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 Pjdpfx Afsq Nx Alelsgp 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. 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 Pedpfxevzx Aus Afljgp We have different models and options for different requirements, please contact us for more info.

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. 8. Safety Measures: Safety features may be included, such as monitoring and control systems to prevent overloading, overheating, or other potential issues during operation. Pgedpfjq Nf Uwjx Aflep 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: 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 Turning length: 1000 mm Spindle speed: 2,240 rpm Pgodszpy Rrspfx Afljp Spindle bore: 103 mm 12-position turret, VDI 60 Chip conveyor

Condition: used, Year of construction: 2011, travel -x axis 650 mm travel -y axis 600 mm travel -z axis 500 mm control HEIDENHAIN - iTNC 530 Pgedpfxszczhae Afljp number of spindle speeds 18.000 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 machine has only 13.924 H spindle 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: used, Year of construction: 2007, travel -x axis 650 mm travel -y axis 600 mm travel -z axis 500 mm control HEIDENHAIN - iTNC 530 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. Pgjdpfx Ajzaf Hueflep 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: 2009, functionality: fully functional, travel distance X-axis: 1,000 mm, travel distance Y-axis: 1,100 mm, travel distance Z-axis: 700 mm, Vertical machining center Manufacturer: Hermle Type: C 50 U Machine No.: 19670 Year of manufacture: 2009 Control system: Heidenhain ITNC 530 Axes: 5-axis simultaneous Travel distances Pgodpjzl Ahljfx Aflop X: 1000 mm Y: 1100 mm Z: 700 mm Tool changer: 60 positions + 41 (HSK 63) Spindle speed: 18,000 rpm Weight approx.: 21,500 kg - NC rotary table Ø 1150x900 mm - Chip conveyor - Compressed air supply through spindle center - Automatic enclosure roof - Electrical thermal compensation ITNC - IKZ 80 bar paper band filter - Heidenhain measuring probe - Blum tool breakage detection/measurement Milling spindle replaced after 1900 operating hours, new Y-axis replaced after 1900 operating hours, new Subject to errors and prior sale.

Condition: excellent (used), Year of construction: 1998, x-travel 800 mm Pgsdjx Dndcjpfx Aflsp y-travel 600 mm z-travel 500 mm

Condition: excellent (used), Year of construction: 2018, HS Flex 20 station pallet loader. XYZ: 600 x 550 x 330mm, Pedpfezghngsx Aflogp Maximum workpiece diameter 450mm, maximum workpiece height 355mm, Maximum table load 300Kg, A axis -/+ 115 degrees, spindle taper HSK 63, spindle speed 15,000rpm, 30 station tool changer, Heidenhain TNC 640 control, with swarf conveyor , and high pressure coolant.

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 Pedpszinwyefx Afljgp - 2 frame feet with height-adjustable foot supports Weight: approx. 45 kg Good condition

Condition: excellent (used), Axial groove ball bearings, axial groove ball bearings, axial ball bearings, axial bearings Pgodpjf Ngcgofx Aflop -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: excellent (used), Roller bearings, ball bearings, barrel bearings, bearings, rolling bearings, thrust bearings, linear ball bearings Pgjdpofgyf Iofx Aflep -Linear ball bearings -Inner diameter: 30 mm -Outer diameter: 47 mm -Length: 68 mm -Price: per piece -Quantity: 117 pieces -Weight: 0.3 kg/piece

Condition: used, Fiber optic cables, fiber optic cables, data cables, LAN cables, fiber optic cables, coax cables, antenna cables -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 Pjdpfx Aef T Sn Sjfljgp -Dimensions roll: Ø 400 x 420 mm -Weight: 16 kg

Condition: used, Ball bearings, bearings, bearing set, accurate, radial ball bearings, roller bearings -Type: 71944CTP2HUL -Lubricating groove -Bore: Ø 220 mm -Outer diameter: 300 mm -Width: 75 mm Pjdjd Nw H Dspfx Aflsgp -Number: 4x bearings available -Price: per piece -Weight: 14 kg

Condition: used, Cylindrical roller bearings, spherical roller bearings, deep groove ball bearings Pgjdpfod S Ibbox Aflop -FAG: 6218MA.C3 -Outer diameter: 160 mm -Inside diameter: 90 mm -Width: 30 mm -Price: per piece -Number: 2 pieces -Weight: 2.7 kg

Condition: used, Axial deep groove ball bearings, axial deep groove ball bearings, thrust ball bearings, thrust bearings -Manufacturer: FAG, axial deep groove ball bearing 51164PM, OVP -Outer diameter: 400 mm -Dimension: Ø 400 x 65 mm -Weight: 18.4 kg Pjdpfsf S Nclox Aflogp

Condition: used, Ball bearings, deep groove ball bearings Podpfxsb A S Dks Afljgp -Number: 80x stock available -Price: per piece -Interior diameter: Ø 10 mm -Outer diameter: Ø 28 mm -Width: 8 mm -Weight: 0.2 kg/piece

Condition: good (used), Year of construction: 2011, Control system: Siemens 840 D pl X-axis 650 mm – Y-axis 600 mm – Z-axis 500 mm A-axis +- 115° - C-axis 360° Spindle 18,000 rpm, power 13 / 10 kW, tool holder HSK-A63 Tool changer 32 tool positions - additional magazine 87 positions Podpfxozint Ie Aflogp NC rotary table ø280 PW160 with pallet clamping system, automatic cabinet doors, hydraulic and pneumatic extension, pallet changer PW 160-400x400 mm, pallet storage system control 3D tool radius correction, A-axis standard version, A-axis position offset Internal coolant supply 80 bar, includes: KNOLL paper band filter, KNOLL chip conveyor, standard coolant system, clean air supply for measuring probes, machine bed flushing, scraper conveyor Air blast through the spindle center, manual cabinet roof, laminated safety glass, rotating clear window, electric thermal compensation, electric manual control module, measuring probe Renishaw incl. BLUM tool breakage/measurement, chip flushing gun 7 pallets 400/STM190 with thread drilling grid Oil mist extraction system LTA, technical documentation (German) Total spindle hours: 18,667 h, new spindle in 2025 at 16,560 h.