YRTS260

Inner diameter:
260 mm
Outer diameter:
385 mm
Width:
55 mm
Mass:
18.3 kg

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YRTS260

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Specifications

Seris - YRTS260

Rolling element type : Roller
Measurement system : Metric
Precision level : P4
Mass : 18.3 kg
Inner diameter (d) : 260 mm
Outer diameter (D) : 385 mm
Overall height (H) : 55 mm
H1 : 36.5 mm
H2 : 18.5 mm
C : 18 mm
D1 (MAX) : 347 mm
J : 280 mm
J1 : 365 mm
Fixing holes inner ring (d1) : 9.3 mm
Fixing holes inner ring (d2) : 15 mm
Fixing holes inner ring (a) : 8.2 mm
Fixing holes inner ring quantity : 34
Fixing holes outer ring (d3) : 9.3 mm
Fixing holes outer ring quantity : 33
Quantity Xt : 36X10°
Threaded extraction hole (G) : M12
Threaded extraction hole quantity : 3
Screw tightening torque (MA) : 34 Nm
Basic dynamic load rating,axial : 173000 N
Basic static load rating,axial : 1050000 N
Basic dynamic load rating,radial : 110000 N
Basic static load rating,radial : 305000 N
Limiting speed : 910 rpm
Mass moment of inertia for rotating inner ring IR : 2074 kg·cm2
Mass moment of inertia for rotating outer ring AU : 1422 kg·cm2
Axial caL : 5.4 kN/μm
Radial crl : 1.6 kN/μm
Tilting rigidity ckl : 67 kNm/mrad
Rigidity of rolling element set axial cal : 16.8 kN/μm
Rigidity of rolling element set radial crl : 5.8 kN/μm
Rigidity of rolling element set tilting rigidity ckl : 201 kNm/mrad
Temperature : -30℃ to +120°C
Seal type : Open Type
YRTS260
Download YRTS260 Drawing

Description

Mass, Inner diameter (d), Outer diameter (D), Overall height (H), H1, H2, C, D1 (MAX), J, J1, Fixing holes inner ring (d1), Fixing holes inner ring (d2), Fixing holes inner ring (a), Fixing holes inner ring quantity, Fixing holes outer ring (d3), Fixing holes outer ring quantity, Quantity Xt, Threaded extraction hole (G), Threaded extraction hole quantity, Screw tightening torque (MA), Basic dynamic load rating,axial, Basic static load rating,axial, Basic dynamic load rating,radial, Basic static load rating,radial, Limiting speed , Mass moment of inertia for rotating inner ring IR , Mass moment of inertia for rotating outer ring AU , Axial caL , Radial crl, Tilting rigidity ckl , Rigidity of rolling element set axial cal , Rigidity of rolling element set radial crl , Rigidity of rolling element set tilting rigidity ckl,

QIBR - YRTS260 Combined Precision Bearing Advantages and Applications

YRTS260 Combined Precision Bearing, low noise, low friction torque, Inner diameter (d) is 260 mm, Outer diameter (D) is 385 mm, Overall height (H) is 55 mm, Mass is 18.3 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.

Mass, Inner diameter (d), Outer diameter (D), Overall height (H), H1, H2, C, D1 (MAX), J, J1, Fixing holes inner ring (d1), Fixing holes inner ring (d2), Fixing holes inner ring (a), Fixing holes inner ring quantity, Fixing holes outer ring (d3), Fixing holes outer ring quantity, Quantity Xt, Threaded extraction hole (G), Threaded extraction hole quantity, Screw tightening torque (MA), Basic dynamic load rating,axial, Basic static load rating,axial, Basic dynamic load rating,radial, Basic static load rating,radial, Limiting speed , Mass moment of inertia for rotating inner ring IR , Mass moment of inertia for rotating outer ring AU , Axial caL , Radial crl, Tilting rigidity ckl , Rigidity of rolling element set axial cal , Rigidity of rolling element set radial crl , Rigidity of rolling element set tilting rigidity ckl,

QIBR - YRTS260 Combined Precision Bearing Characteristics

YRTS260 Combined Precision Bearing, easy to install and maintain, suitable for a variety of working conditions. YRTS260 Combined Precision Bearing, can withstand radial load, axial load and overturning moment, suitable for mechanical equipment with high safety requirements.

YRTS260 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 - YRTS260 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 - YRTS260 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.

Features & Benefits

Precision Combined Bearing is a high-precision bearing unit that integrates radial bearings, thrust bearings, rolling elements (balls, rollers or needles), seals, lubrication structures and other modules. Its design optimizes the matching relationship between components to achieve high rigidity, high speed, and multi-directional load-bearing capacity, and is widely used in high-demand fields such as industrial automation, robots, and precision machine tools.
YRTS260
High-purity special high-quality bearing steel processed by high-speed forging + cold rolling process, and the raceway surface is carbonitrided.
High-purity special high-quality bearing steel processed by high-speed forging + cold rolling process, and the raceway surface is carbonitrided.
Steel cages feature high strength and a relatively light material, enabling them to withstand large loads and stresses.
Rollers, enhancing load-carrying capability and promoting uniform stress distribution.
Anti-Rust Oil for bearings

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