Used Ball Bearings for sale (5,471)

Condition: new, Year of construction: 2026, We have various kinds of ball grinding mill such as batch ball mill, rod mill, cement ball mill, mining ball mill, welcome to contact our team for further details according to your specific requirements. Bljdsq I Nw Iepfx Ab Djl

Year of construction: 2026, condition: new, functionality: fully functional, A cement clinker grinding mill is a specialized equipment used to grind the hard nodular clinker into fine powder, which is cement. Most cement is currently ground in ball mills and also vertical roller mills, which are more effective than ball mills. Here are key features and information about cement clinker grinding mills: 1. Raw Materials: - The main raw material for making cement is clinker, which is produced by sintering limestone and clay. Other materials such as gypsum, fly ash, or slag may also be added during the grinding process to achieve specific properties. 2. Grinding Process: - The clinker and other additives are finely ground in the grinding mill to produce cement. The grinding process is a crucial step in cement production and contributes significantly to the final quality of the product. 3. Types of Mills: - Ball Mills: Traditional ball mills are commonly used for grinding clinker. They operate by rotating a cylinder with steel grinding balls, causing the balls to fall back into the cylinder and onto the material to be ground. - Vertical Roller Mills (VRM): VRM technology has become increasingly popular for clinker grinding. These mills use a rotating table with rollers to crush and grind the clinker, providing energy efficiency and a smaller footprint compared to ball mills. 4. Gypsum Addition: - Gypsum is often added during the grinding process to control the setting time of the cement. It prevents flash setting of the clinker and facilitates the formation of a workable and pumpable cement paste. 5. Quality Control: - Quality control measures, such as monitoring the fineness of the cement, chemical composition, and other properties, are implemented during the grinding process to ensure the final product meets the required specifications and standards. 6. Clinker Cooling: - Before grinding, the clinker is produced by heating the raw materials in a kiln. The clinker is then cooled before entering the grinding mill to prevent excessive heat build-up during grinding. 7. Dust Collection and Environmental Considerations: Bodpoq Nfbhsfx Ab Dsll - Dust collectors and air pollution control systems are often employed to capture and control the dust generated during the grinding process, addressing environmental and safety concerns. 8. Packaging and Storage: - After grinding, the cement is typically stored in silos before being packaged in bags or dispatched in bulk for distribution to construction sites or for sale in the market. Cement clinker grinding mills play a crucial role in the cement production process, and advancements in technology continue to improve the efficiency and environmental sustainability of the grinding process. Technical details We have different options for different requirements, please contact our team for more info.

Condition: new, functionality: fully functional, power: 55 kW (74.78 HP), Year of construction: 2026, Ball Mill for Powder and Mining Plant: Structure, Function, and Technical Details A ball mill is a key grinding machine widely used in mining, metallurgy, cement, chemical, and powder-making industries. It is designed to grind various ores and other materials into fine powder through impact and attrition between steel balls and the material inside a rotating cylindrical shell. In mining plants, ball mills are essential for ore beneficiation, preparing materials for flotation, magnetic separation, or leaching processes. In powder production, they ensure uniform particle size and high surface area for further processing. Working Principle The ball mill operates on a simple yet effective principle: as the cylindrical shell rotates around its horizontal axis, the grinding media (steel or ceramic balls) are lifted along the inner wall by centrifugal force and friction. When they reach a certain height, they fall freely, striking and grinding the material below. This repeated motion causes both impact and abrasion, reducing the material to the desired fineness. The grinding process can be performed in dry or wet conditions depending on the application. Structural Composition A standard ball mill consists of several main components: Feeding part: Equipped with a feeder or screw conveyor to ensure uniform material input. Discharging part: Can be grate type or overflow type, depending on the discharge method. Rotating part: The cylindrical shell made of steel plates, lined with wear-resistant liners. Transmission system: Includes motor, reducer, small transmission gear, and electrical control. Grinding media: Steel balls or ceramic balls of different diameters for efficient grinding. The internal liner design and ball size distribution are optimized to achieve maximum grinding efficiency and minimal energy consumption. Technical Details Typical Specifications: Feeding size: ≤25 mm Discharge size: 0.074–0.4 mm Capacity: 0.65–615 t/h (depending on model and material hardness) Cylinder speed: 18–38 r/min Power: 18.5–4500 kW Liner material: High manganese steel, rubber, or alloy steel Grinding media load: 30–45% of cylinder volume Operating Modes: Dry grinding: Suitable for materials that must remain moisture-free, such as cement clinker, limestone, and quartz. Wet grinding: Common in ore beneficiation, where water or slurry improves grinding efficiency and particle uniformity. Application in Mining Plants Bsdeq Nf U Ejpfx Ab Dsll In mining operations, ball mills are used after crushing to further reduce ore size and liberate valuable minerals. They are integrated into grinding circuits with classifiers, hydrocyclones, and flotation systems. The ground material is classified by size, and oversized particles are returned to the mill for regrinding. This closed-circuit system ensures consistent product fineness and efficient energy use. Common Applications: Gold, copper, iron, and zinc ore grinding Cement clinker and slag processing Silicate and ceramic powder production Coal and mineral powder preparation Conclusion A ball mill is an indispensable piece of equipment in both powder production and mining beneficiation plants. Its ability to grind materials into fine, uniform particles makes it vital for downstream processes such as flotation, sintering, and chemical reactions.

Condition: excellent (used), Ball valve, ball valve with internal thread -Condition: very good, unused, original packaging Blsdpedz A Tfjfx Ab Dsl -Material: Pressed brass -Internal thread: 2" inch -full: passage, full ball -Number: 63 ball valves available -Price: per piece -Weight: 2.1 kg

Condition: good (used), The scope of delivery includes: 01x steel staircase Material color: yellow Floor height: approx. 2,000 mm Bljdpsvnr Rrjfx Ab Dsl Projection: approx. 2,550 mm Total width: approx. 1,225 mm Chest profile: 180 x 8 mm Railing: both sides, galvanized Handrail and knee rail round tube Steps: tear plate, galvanized Step dimensions: 1,210 x 270 mm Number of steps: 10 steps Step height: approx. 175 mm Total length of the staircase: approx. 3,700 mm End stop: L-profile: 65 x 110 mm The end stop of the steel staircase is attached with 2 screws per side Drill hole diameter: approx. 16 mm Note: The steel staircases were partially assembled and partially unassembled. The pictures are intended to illustrate the material. The steel stairs are commissioned unassembled. This is a used item, it may have scratches, dents and signs of use. Your contact person in our company: Mr: Andre Evering Mr: Mario Klöver Mr: Falk Deutsch General information about the item: This item is only available for collection. Any additional transport or shipping of this item is associated with additional costs, which can be requested separately from us depending on the delivery location or scope of delivery.

Condition: good (used), Scope of delivery includes: 01x Steel staircase Material color: yellow Floor height: approx. 1,890 mm Projection: approx. 2,650 mm Total width: approx. 1,208 mm Stringer profile: 200 x 5 mm Railings: on both sides Handrail and knee rail: rectangular tubing Steps: smooth Step dimensions: 1,108 x 250 mm Number of steps: 11 steps Riser height: approx. 180 mm Overall stair length: approx. 3,320 mm End stop: L-profile: 100 x 55 mm Note: The steel staircases are partially assembled and partially unassembled. Bodpovntb Ssfx Ab Dsll The images are for material illustration purposes only. The steel staircases are picked and shipped unassembled. This is a used item; scratches, dents, and signs of use may be present. Your contacts at our company: Mr. Andre Evering Mr. Mario Klöver Mr. Falk Deutsch General information about the item: This item is offered for collection only. If transport or shipping is required, this is subject to additional costs which can be requested from us depending on the delivery location and scope of delivery.

Condition: good (used), The scope of delivery includes: 01x steel staircase Material color: yellow Floor height: approx. 1,9450 mm Projection: approx. 2,645 mm Total width: approx. 1,220 mm Chest profile: 180 x 8 mm Railing: both sides, galvanized Bodpfevntmnex Ab Dsll Handrail and knee rail round tube Steps: tear plate, galvanized Step dimensions: 1,204 x 270 mm Number of steps: 10 steps Step height: approx. 190 mm Total length of the stairs: approx. 3,320 mm End stop: L-profile: 85 x 85 mm The end stop of the steel stairs is attached with 2 screws per side Drill hole diameter: approx. 16 mm Note: The steel stairs were partially assembled and partially unassembled. The pictures are intended to illustrate the material. The steel stairs are commissioned unassembled. This is a used item, it may have scratches, dents and signs of use. Your contact person in our company: Mr: Andre Evering Mr: Mario Klöver Mr: Falk Deutsch General information about the item: This item is only available for collection. Any additional transport or shipping of this item is associated with additional costs, which can be requested separately from us depending on the delivery location or scope of delivery.

Condition: new, STAR ball screw Bjdpfx Aezcwkwsb Dsll Type: 1510-3-1607 Pitch: 5 mm Thread length: 2008 mm Overall spindle length: 2100 mm Thread diameter: 31 mm 4 pieces in stock.

Condition: good (used), Counter holder, counter bearing, bearing block, pillow block, bearing for milling machine -Swallowtail: 74 by 88 mm 14 mm high Blsdpfxecwdmms Ab Djl -Bore: 56 mm -Drawing with the photos -Dimensions: 100/140/H165 mm -Weight: 5.3 kg

Condition: refurbished (used), 2 pieces 125 mm Ø x 170 mm Ø x 173 mm long Blsdpfx Abengz N Ie Djl 1 piece 140 mm Ø x 190 mm Ø x 173 mm long

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 Bledpfxoxcbnro Ab Del 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) 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

Condition: new, load capacity: 3,000 kg, Various support blocks, rollers adjustable in 5 positions, suitable for heavy material. For transverse and longitudinal rotation. Bearing-mounted rollers insertable for longitudinal and transverse transport. Designed to relieve, for example, welding positioners or for transporting or rotating round parts. Available in various versions. Stepless height adjustment available on request. The beams themselves have a load capacity up to 6 tons. Price per piece. Prices from 450 €; with stepless height adjustment 850 €. Blodpfsy Rf S Hjx Ab Dol

Condition: used, functionality: fully functional, Alfa Laval TJ20G Rotary Jet Head 316L Stainless Steel 1½" Bsdpfxezlqnyj Ab Doll Jet head's were removed from process in 2023 and kept as spares. In good condition. We have up to 8 of these available. Contact us for more information

Year of construction: 2024, operating hours: 1 h, condition: new, functionality: fully functional, machine/vehicle number: 86-731-85552647/18153792542, We are a company based in 9000 St. Gallen (Switzerland) and imported this planetary ball mill from China in 2024. The unit is brand new and unused. We have switched the machine on and let it run empty for a few minutes to verify its functionality. It comes with 4 x 25-liter nylon containers. Additionally, 120 kg of zirconium beads with a 1 mm diameter are available. ~ Manufacturer's Description: The YXQM series of planetary ball mills for mass production is a machine designed for production applications, built to handle medium-scale capacities to meet industrial requirements. It facilitates the smooth transition of materials from laboratory scale to full production, ensuring consistency and repeatability of processes and thus reliable material quality. The equipment is widely used across new energy, metallurgy, electronics, ceramics, geology, mining, construction materials, chemical industry, light industry, cosmetics, environmental protection, and other enterprise-level material production sectors. Extremely high centrifugal forces inherent to planetary ball mills generate intensive grinding energy, resulting in short milling times. These machines are ideal wherever the quality control process demands the highest standards of purity, speed, fineness, and reproducibility. This series can be equipped with vacuum jars, allowing samples to be ground under vacuum conditions. It is well suited for research tasks at scientific institutes, universities, and industrial R&D laboratories to verify the feasibility of scale-up to mass production, as well as for routine operations such as mixing and homogenizing soft, hard, brittle, or fibrous materials—from laboratory tests through to production. Blsdpfx Abjyilnze Del - Key Features: - High-performance, nanometer-scale grinding - Digital display, intuitive operation, precise parameter setting - Variable speeds from approx. 10 to 440/360 rpm, speed ratio 1:2 - Batch processing with up to 4×6/9 L samples, simultaneous processing of 4 materials - Electric lid opening and integrated crane for easy and convenient operation - Storage for 3 modes and 15 programs - Power failure protection with memory function and automatic restart - Suitable for dry, wet, vacuum, and protective atmosphere grinding - Machine stops upon lid opening; automatic interlock prevents accidental release - Equipped with rollers and swiveling feet for easy movement and stable operation Applications: Grinding, mixing, homogenizing, colloidal milling, mechanical alloying, mechanochemistry Fields of Application: New energies, geology/metallurgy, glass/ceramics, engineering/electronics, building materials, environment/recycling, agriculture, chemistry, medical, biology Feed material: Soft, hard, brittle, fibrous – dry or wet Size reduction principle: Impact, friction Feed size: < 5 mm soil, < 10 mm Final fineness: For colloidal milling, samples below 0.1 micron Number of grinding stations: 4 Grinding methods: Dry grinding, wet grinding, vacuum grinding, grinding under protective atmosphere

Condition: like new (used), Manufacturer: Löhnert / Berger Type: SKM 20 Electrical Motor: Included See PDF-file below for more detailed information. Will be sandblasted and painted. Bljdpfx Abeg Snrxo Dol

Condition: used, Counter bearing and adapter for milling machine for horizontal milling Counter bearing and adapter (counterholder) for DECKEL milling machine (Bearing block with dovetail mounting adapter DECKEL FP1 + FP2) Type 9570 Dovetail width, narrow: approx. 72 mm Dovetail width, wide: approx. 88 mm Dovetail height: approx. 15 mm Length (bearing block): 133 mm Width (bearing block): 50 mm Total height (bearing block): 105 mm Bearing bore: Ø 17 mm (with bronze bearing bushing) Distance from bore axis to dovetail mounting face: approx. 82.5 mm (center height) - Adapter fits dovetail and mounting surface, raises center height by 22.5 mm to 105 mm Total length (dovetail rail): 635 mm Weight: 3.8 kg Very good condition Bodpfoxcbl Djx Ab Dell

Condition: excellent (used), Ball bearings, roller bearings, axial cylindrical roller bearings, cylindrical roller bearings -Manufacturer: NSK, cylindrical roller bearing inner ring unused -Type: NNU4960 03DR -Outer diameter: 335 mm -Inner diameter: 300 mm -Width: 120 mm Bledezbrltspfx Ab Dol -Quantity: 2x inner ring available Price: per piece -Dimensions: Ø 335 x 120 mm -Weight: 16.2 kg/pc.

Condition: excellent (used), Ball mill Vollrath EFC 200 Wet and dry grinding Iron-free grinding with steatite balls Bjdpfx Aok D Dwtsb Dell Lining made of hard porcelain Volume 200 l Drive power 1.4 kW Speed 42 1/min Three ball mills mounted on a steel frame In very good, ready-to-use condition, directly from production!!!

Condition: good (used), Bridge crane, overhead crane, bearing housing, trunnion, bearing block, swivel mounting, bearing housing for crane hooks, crane hook bearing -Manufacturer: Demag, bearing housing crane hook bearing -Type: P5013 STB No. 6 -Bore: Ø51 mm -Dimensions: see photos Bedpfxeziayyo Ab Dell -Dimensions: 180/130/55 mm -Weight: 6.0 kg

Condition: new, “Partially unpacked for photography – unused item from warehouse clearance.” Quantity: 15 pieces available Bedpfx Abozluamj Djll Ball screw drive Dm50, stroke 400 PITCH 30MM 13:79 675/11 00000 STEINMEYER

Condition: used, machine/vehicle number: 0901666, Force measuring device, force measuring device, calibration, force measuring technology, load cell, tensile force bearing -Manufacturer: ASA-RT -Product: Force measuring bearing type ATB-RP030/600 -Dimensions: 80/65/H20 mm -Weight: 0.6 kg Bledpfx Aefmm Dfeb Dol

Condition: excellent (used), Joint bearing -Inner diameter: 140 mm -Outer diameter: 230 mm -Brite outer ring: 80 mm -Width of inner ring: 130 mm -Grease groove Blodpfx Absb A H N Te Dol -Weight: 18 kg -Number: several available

Condition: excellent (used), Roller bearings, ball bearings, barrel bearings, bearings, rolling bearings Blodpeb A Ipmsfx Ab Del -Outer diameter: 240 mm -Width: 80 mm -Inner diameter: 110 mm -Weight 17 kg

Condition: excellent (used), spherical roller bearing Bodsb A Iqfepfx Ab Doll -Bore: Ø 150 mm -Outer diameter: Ø 320 mm -Width: 108 mm -Quantity: 2x available in storage -Price: per piece -Weight: 42.5 kg/piece

Condition: new, spherical roller bearing -Designation/Type: Spherical roller bearing -Version: EK Bjdpfx Ajb A Iq Heb Dsll -d = Inside: 55 -D = Outside: 100 -B = Width: 25