B71960-C-T-P4S-UL With Size 300x420x56 mm Spindle Bearings Are Available In Stock
Overview
The main dimensions of the bearings correspond to DIN 628-1.
The dimensional tolerances of the bearings correspond to tolerance class P4, while the running tolerances correspond to tolerance class P2 to DIN 620-2.
Same bearing type B71960-E-T-P4S bearings are available for quick delivery.
Spindle bearing B719...-C, adjusted, in pairs or sets, contact angle α = 15°, restricted tolerances; Without lubricant, Not sealed; Laminated fabric cage; Tolerance class P4S( better than P4 to DIN 620), Single bearing with preload light.
Bore diameter-300 mm; Outside diameter-420 mm;Width-56 mm; Mass-19.7 kg;Cr=370 kN;C0r=405 kN;Limiting speed=3000 1/min;Reference speed=4500 1/min.
Specifications
| Dimensions &Technical Datasheets | |
| Part NO. | B71960-C-T-P4S-UL - Spindle bearing |
| Brand | FAG brand made in GERMANY/SDVV brand made in China |
| Main Dimensions | 300x420x56 mm |
| d | 300 mm |
| D | 420 mm |
| B | 56 mm |
| rmin | 3 mm |
| nG Grease | 3000 1/min |
| nG Oil | 4500 1/min |
| Contact Angle | 15 ° |
| da | 322 mm |
| Da | 398 mm |
| ra max. | 1.5 mm |
| Cr | 370 kN |
| C0r | 405 kN |
| M | 19.7 kg |
Application areas of spindle bearings
Metal cutting machine tools: Metal cutting machine tools are the main application areas of spindle bearings, including lathes, milling machines, grinders, drilling machines, etc.
CNC machine tools: CNC machine tools are the main equipment of modern manufacturing industry, and spindle bearings play a vital role in CNC machine tools.
Aerospace field: The requirements for spindle bearings in the aerospace field are very high, and they need to have special properties such as high precision, high reliability, high temperature and high pressure.
Mold manufacturing: Mold manufacturing is another important application area of spindle bearings. During the mold manufacturing process, the spindle bearings need to withstand high speed, high precision and high cutting force conditions to ensure the processing quality and accuracy of the mold.
Printing machinery: Printing machine bearings are used for the main rollers of sheet-fed printing presses and web printing presses.
Textile machinery: In the spinning or weaving, finishing or processing process, modern textile machinery is highly automated and requires uninterrupted operation under high production and trouble-free conditions.
Food and packaging industry: Food production must be both economical and safe. The production process is usually automated and often experiences extreme operating conditions.
Woodworking machinery: In many cases, deep groove ball bearings are well suited to the high speed and relatively low load conditions of the bearing arrangement in woodworking planers.
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