Angular Contact Ball Bearings
KG250XP0 Thin Section Ball Bearings
KG250XP0 Ball Bearings
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Product Overview
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KG250XP0 thin section ball bearings apply to precion robot, Guidance system, packing equipment, food processing plants, medical Devices, textile machinery, semiconductor manufacturing equipment, airplane, optical scanning service,space flight and so on.
Key Benefits
- The contact angle carries axial load in one direction while running faster than a comparable roller bearing, which suits spindles, gas turbines and centrifugal machines.
- Dimensions, material, cage and precision class are confirmed in writing before the order is placed.
- Stock and produced lines are quoted separately so a shutdown can be planned around real dates.
- Non standard sizes can be made to drawing, so a fixed machine envelope is not a dead end.
Who It Is For
Machine tool spindle rebuilders, pump and compressor OEMs, robotics and positioning equipment builders.
Problems It Solves
Spindle-class bearings need a matched contact angle and precision grade, and buyers frequently receive the right bore size in the wrong preload or clearance class.
Specifications
Recorded Specification
Every row below comes from the manufacturing record for this reference. Rows that were never filled in are omitted rather than guessed.
| Product Name | KG250XP0 thin section ball bearing |
|---|---|
| Brand | AFA |
| Dimension (dxDxT) | 25x27x1 inch |
| Weight (kg) | 8.8 KG |
| Material | GCr15, GCr15SiMn,cemented steel |
| Precision Class | P0 P6 P5 P4 P2 |
| Sealing | Open |
| Quality Standard | ISO9001:2008 standard |
| Delivery Time | Stock 3 days, no stock 20 days |
| Packing | Wood boxes |
| Payment Terms | L/C,T/T,Western Union,paypal |
Application Scenarios
Where It Is Used
- Machine tool spindles
- Gas turbines and dither motors
- Centrifugal machines and pumps
- Mini car front wheels and reducers
- Instrumentation and pinion shafts
Materials
GCr15, GCr15SiMn,cemented steel. GCr15 is the standard high carbon chrome bearing steel, and GCr15SiMn adds silicon and manganese so that larger rings harden through the section. Case carburised grades are used where shock loading is high.
Material GuideDelivery And Packing
| Delivery | Stock 3 days, no stock 20 days |
|---|---|
| Packing | Wood boxes |
| Freight | DHL, TNT, FedEx and other express; air, sea and rail |
| Payment | L/C,T/T,Western Union,paypal |
| Quality | ISO9001:2008 standard |
Manufacturing Process
How It Is Made
Forging And Turning
Rings are formed and soft turned to the ring geometry.
Heat Treatment
Through hardening or carburising to the working hardness range.
Grinding And Honing
Raceways and faces ground to the tolerance class ordered.
Assembly And Preservation
Rolling elements and cage assembled, then preserved and packed.
Quality Control
What Is Checked
- Bore, outside diameter and width against the tolerance class ordered
- Radial and axial runout on the finished assembly
- Hardness and surface finish after grinding
- Internal clearance and rotation check before preservation
Certifications. Production runs in strict accordance with the ISO9001:2008 standard. Certificate copies for a specific consignment are issued with the shipping documents on request.
Customization Options
What Can Be Changed
| Precision class | P0 P6 P5 P4 P2 |
|---|---|
| Cage material | Brass, steel, bakelite or nylon by application |
| Internal clearance | Standard or a specified group |
| Marking | AFA brand, neutral, or customer marking |
| Packing | Wood boxes |
| Non standard sizes | Made to drawing or to a sample |
Comparison
How This Type Compares
| Type | Radial load | Axial load | Speed |
|---|---|---|---|
| Deep groove ball | Medium | Low | High |
| Angular contact ball | Medium | High one way | High |
| Cylindrical roller | High | None or located | High |
| Tapered roller | High | High one way | Medium |
| Needle roller | High for section | None | Medium |
| Thrust roller | None | Very high | Low to medium |
Use Guide
Fitting And Service Notes
- Check the shaft and housing seats for size, roundness and damage before opening the packaging.
- Push mounting force through the ring that carries the interference fit, never through the rolling elements.
- Where heat mounting is used, keep the bearing below roughly 120 degrees Celsius and never apply a flame.
- Set clearance or preload as the machine drawing specifies, then fill with the specified lubricant.
- Turn the assembly by hand and listen before the machine is started.
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Related Industries
Where It Is Specified
Chemical And Process Plant
Agitators, extruders, centrifuges and pumps run continuously and often in corrosive or high temperature service where a shutdown i…
Power Generation And Wind
Generators, turbines and gear stages need matched precision classes and clearance groups, and replacement parts have to be identif…
Machine Tools
Spindle accuracy depends on the bearing set as much as on the machine, so precision class, preload and cleanliness decide whether …
Related Articles
Technical Reading
Angular Contact Ball Bearings Explained
Bearing Precision Classes P0 P6 P5 P4 And P2
Bearing Lubrication Grease And Oil Basics
Quote KG250XP0 Thin Section Ball Bearings
Send the quantity and destination. Dimensions, material, cage and precision class are confirmed in writing before the order.
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