YRTS395

YRTS395 · Внешний вид изделия

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YRTS395 · Технический чертёж

Бренд
QIBR
Alternative brand
INA
Rolling element type
Roller
Measurement system
Metric
Inner diameter
395 mm
Outer diameter
525 mm
Total height
65 mm
Size1
42.5 mm
Size2
22.5 mm
Width of outer ring
20 mm
Outer diameter of inner ring
487.7 mm
Internal hole circle diameter
415 mm
External hole circle diameter
505 mm
Hole diameter at inner ring
9.3 mm
Counter bore diameter
15 mm
Counter bore depth
8.2 mm
Number of mounting holes of the inner ring
46
Hole diameter at outer ring
9.3 mm
Number of holes1
45
Bolt hole diameter
M12
Number of holes2
3
Number of mounting holes of the outer ring
48X7.5°
Tightening torque
34 Nm
Basic dynamic load rating (axial)
214000 KN
Basic static load rating (axial)
1540000 KN
Basic dynamic load rating (radial)
121000 KN
Basic static load rating (radial)
390000 KN
Limiting speed
650 rpm
Mass moment of inertia for rotating inner ring
8352 kg·cm2
Mass moment of inertia for rotating outer ring
4254 kg·cm2
Rigidity of bearing position (axial)
7.8 kN/μm
Rigidity of bearing position (radial)
2 kN/μm
Tilting rigidity of bearing position
195 kNm/mrad
Rigidity of rolling element set (axial)
23.4 kN/μm
Rigidity of rolling element set (radial)
8.7 kN/μm
Tilting rigidity of rolling element set
582 kNm/mrad
Weight
33 kg
Temperature
-30℃ to +120°C
Seal type
Open Type

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Описание

The YRT slewing bearing is a specially designed high-precision bearing. It has characteristics such as unique structural design, high precision, high rigidity, high load-carrying capacity, high rotational precision, long service life and high reliability, as well as convenient installation.

QIBR - YRTS395 Combined Precision Bearing Advantages and Applications

YRTS395 Combined Precision Bearing, low noise, low friction torque, Inner diameter is 395 mm, Outer diameter is 525 mm, Total height is 65 mm, Weight is 33 kg, suitable for tunneling machines, concrete pump trucks and concrete mixing boom integrated machines, etc., and is the most widely used bearing in working conditions with high precision requirements.

QIBR - YRTS395 Combined Precision Bearing Characteristics

YRTS395 Combined Precision Bearing, easy to install and maintain, suitable for a variety of working conditions. YRTS395 Combined Precision Bearing, can withstand radial load, axial load and overturning moment, suitable for mechanical equipment with high safety requirements.

YRTS395 Combined Precision Bearing Features and Advantages

High load capacity: Combined precision bearing can withstand axial loads, radial loads, and overturning moments, making them suitable for high-load applications.

High Precision: The dimensional accuracy is at P5 level, and the rotational accuracy is at P4 level, ensuring high rotational precision.

Superior Rigidity: These bearings exhibit higher stiffness when subjected to overturning moments, maintaining good performance under high load conditions.

Low Operating Noise: They generate low noise during operation, making them ideal for use in noise-sensitive environments.

Application: Combined precision bearing are widely used in precision rotary tables, vertical grinding machines, indexing heads, gear hobbing machines, CNC machine tools, radar systems, and high-precision medical equipment.

QIBR - YRTS395 Combined Precision Bearing Optimization

High-performance materials: The bearing materials can be replaced based on different working conditions, such as GCr15, GCr15SiMn, S165M, etc.

Cage Material: The cage material can be replaced according to customer requirements, such as using 20# steel, brass, or polyamide nylon.

Grease Replacement: The grease can be substituted with other lubricants, such as Mobilith SHC 220 or Shell Gadus S2 V220.

Grease replacement: QIBR technicians can recommend grease according to the working conditions of the bearing or replace grease according to customer needs, such as Mobil, Shell, SKF, Fuchs and other brands.

More customization: QIBR can design and optimize bearings based on customer specifications and operational requirements.

QIBR - YRTS395 Combined Precision Bearing quality control

Dimension measurement: Various high-precision instruments are used to measure multiple dimensions of the bearings, achieving a maximum accuracy of 0.001mm.

Rotation accuracy: A dial gauge is employed to measure small defects or deviations on the bearing surface, with measurement accuracy reaching 0.001mm.

Hardness measurement: The surface hardness of the bearings is measured using a hardness tester, with an accuracy of ±0.5HRC.

Metallographic analysis: Professional metallographic microscopes are used to analyze the internal metallographic structure of the metal.

Geometric tolerance: A profile projector is used to measure the geometric shape and relative position of the bearings.

Noise monitoring: Vibration monitors are utilized to track the vibration conditions during operation, providing noise data.

Raw material control: Steel and components are sourced from suppliers with ISO 14001 certification, ensuring product stability while promoting sustainable development.

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