ZARF 75185 LTV

ZARF 75185 LTV · Внешний вид изделия

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Бренд
QIBR
Alternative brand
INA
Rolling element type
Roller
Measurement system
Metric
Inner diameter
75 mm
Outer diameter
185 mm
Total width
125 mm
Size
87 mm
Width of outer ring
27 mm
Outer diameter1
135 mm
Outer diameter2
115 mm
Outer diameter3
135 mm
Width1
21 mm
Width2
46 mm
Width3
16 mm
Oil hole size
6 mm
External hole circle diameter
155 mm
Lubrication hole position
15 mm
Chamfer dimension1
0.3 mm
Chamfer dimension2
1 mm
Basic dynamic load rating (axial)
290 kN
Basic static load rating (axial)
890 kN
Basic dynamic load rating (radial)
72 kN
Basic static load rating (radial)
132 kN
Limit load (axial)
84 kN
Limit load (radial)
18.8 kN
Oil speed
2100 rpm
Lubrication speed
700 rpm
Bearing frictional torque
8 Nm
Rigidity
6600 N/μm
Tilting rigidity
8500 Nm/mrad
Mass moment of inertia
188 kg·c㎡
Axial runout
2 μm
Weight
10.6 kg
Temperature
-30℃ to +120°C
Seal type
Open Type

Запрос по ZARF 75185 LTV

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Описание

Application : Combined Precision Bearing is precision integrated bearings capable of simultaneously withstanding axial loads, radial loads, and tilting moments; they are widely used in fields such as precision machine tools, industrial robots, construction machinery, medical equipment, and aerospace.

Subseries :

YRT&YRTC

YRTS

ZKLDF

...

Specifications :

Outer Diameter (D) : 50mm-1300mm

Inner Diameter (d) : 126mm-600mm

Overall Width (H) : 30mm-145mm

...

ZARF 75185 LTV 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 - ZARF 75185 LTV 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 - ZARF 75185 LTV 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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