YRTSMA260-03-1088 Bore 260 Mm, Axial/radial Bearings, Double Direction For Higher Speeds

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YRTSMA260-03-1088

Bore Diameter:260 mm

Outside Diameter:385 mm

Width:57.5 mm

Weight:18.7 kg

Min. Order:1 Piece

The YRTSMA260-03-1088 Rotary table bearings are suitable for high-precision, high-rigidity rotary applications. Classic applications include CNC machine tool rotary tables and indexing tables, industrial robot joints, military radar antennas, aerospace measurement equipment, astronomical telescopes, and medical devices.

The YRTSMA260-03-1088 bearing is a Axial/radial bearings, double direction, Rotary table bearings YRTSMA for higher speeds with an inner diameter of 260 mm , an outer diameter of 385 mm, a width of 57.5 mm. 50Mn,42CrMo rings, Its dynamic radial rated load is approximately 109893 N, its static radial rated load is approximately 304936 N. Its dynamic axial rated load is approximately 172815 N, its static axial rated load is approximately 1049930 N. Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

260 mm

Outside Diameter:

385 mm

Thickness:

57.5 mm

Weight:

18.7 KG

Performance Data:

Dynamic load Capacity, Radial (Cr):

109893 N

Static load Capacity, Radial (Cor):

304936 N

Dynamic load Capacity, axial:

172815 N

Static load Capacity, axial:

1049930 N

Limiting speed (Oil rpm):

900

Specifications:

Structure:

Axial/radial cylindrical roller

Number of Rows:

Three

Bearing Material:

50Mn,42CrMo

Seals Type:

Open

Operating Temperature:

-30 to 120 °C

Series:

YRTSMA

Rolling Element:

cylindrical rollers

Transaction Information:

Transport Package:

Standard Export Package

Service:

7*24 hour

Shipping Ways:

by Sea or Air

Country of Origin:

china

Stock:

50 Piece

Port:

Tianjin, Shanghai, Shenzhen, Guangzhou or Qingdao

Payment term:

by T/T in advance

Delivery time:

2-3 days for stock, 25-30 days for bulk production

Detailed description

YRTSMA260-03-1088 bearings ( 260 mm x 385 mm x 57.5 mm) have the advantages of It can withstand axial, radial and overturning moments simultaneously, has a compact structure, is easy to install, and is suitable for heavy-duty rotation, and are therefore widely used in the ultra-precision milling and grinding machines.

Part Number	YRTSMA260-03-1088
Mounting	screw
Bearing Type	Axial/radial bearings, double direction, Rotary table bearings YRTSMA for higher speeds
Manufacturer Part Code	YRTSMA260
Series	YRTSMA
Seal type	Open
Rolling Element Type	cylindrical rollers
Rolling Element Material	GCr15
Ring Material	50Mn,42CrMo
Rows NO.	Three
Alias	Super Precision Bearings for Rotary Tables
m Weight [kg]	18.7
Reference From	INA YRTSMA260-03-1088
Measuring system	MA = Absolute value angular measuring system
Grease for relubrication	Arcanol LOAD150
Main Dimensions
d φ Inside [inch]	10.236
d tolerance [mm]	-0.018 to 0
D Φ Outside [inch]	15.157
D tolerance [mm]	-0.02 to 0
H High [inch]	2.264
H₁ [inch]	1.437
H₂ [inch]	0.827
C [inch]	0.709
D₁ [inch]	13.661
D_M max [inch]	13.583
J [inch]	11.024
J₁ [inch]	14.370
Performance
C_r Dynamic Radial [lbf]	24703
C_0r Static Radial [lbf]	68549
C_a Dynamic Axial [lbf]	38848
C_0a Static Axial [lbf]	236024
n_G Limiting speed (oil) [r/min]	900
Operating temperature - T(min) [°C]	-30
Operating temperature - T(max) [°C]	120
Mounting dimensions
d₁ Fixing screws (Inner ring) [inch]	0.366
d₂ Fixing screws (Inner ring) [inch]	0.591
a Fixing screws (Inner ring) [inch]	0.323
Fixing holes Inner ring Quantity	34
d₃ Fixing screws (Outer ring) [inch]	0.366
Fixing holes Outer ring Quantity	33
n Pitch quantity	36
t Pitch separation angle [°]	10
t₁ Axial and radial runout [µm]	6
G Threaded extraction hole	M12
Threaded extraction hole Quantity	3
M_A Screw tightening torque [Nm]	34
Pitch accuracy	03 = ±3µm
Pitch periods, 360°	1088
Additional information
C_aL Rigidity of bearing position (axial) [kN/µm]	5.4
C_rL Rigidity of bearing position (radial) [kN/µm]	1.6
C_kL Rigidity of bearing position (Tilting rigidity) [kNm/mrad]	67
C_aL Rigidity of bolling element set (axial) [kN/µm]	16.8
C_rL Rigidity of bolling element set (radial) [kN/µm]	5.8
C_kL Rigidity of bolling element set (Tilting rigidity) [kNm/mrad]	191
M_m Mass moment of inertia for rotating (outer ring AU) [kg*cm2]	1422

The YRTSMA260-03-1088 Rotary table bearings are precision bearings with a thrust-radial combined structure. They mainly consist of a housing ring, a shaft ring, two rows of axial cylindrical roller cage assemblies, and one row of radial cylindrical roller cage assemblies. The housing ring and shaft ring are evenly distributed with mounting screw holes for easy direct fixing.

The advantages of rotary table bearing design are that it can simultaneously withstand radial loads, bidirectional axial loads and overturning moments. The negative clearance preload design ensures extremely high rigidity and rotational accuracy. Moreover, the compact structure greatly simplifies rotary table design and reduces installation and maintenance costs.

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High quality YRTSMA260-03-1088 ( 18.7 kg Mass, ID: 260 mm OD: 385 mm WD: 57.5 mm , YRTSMA Series , Three Rows , 50Mn,42CrMo Material , 109893 Radial dynamic , 304936 Radial static ), Just click the button " Contact Now " to mention your purchase Requirement , Quantity and Contact Method of your requested Bearing Item No. YRTSMA260-03-1088. then click the button " Send " The web site will make your purchasing information sent to the supplier's mailbox, who will come to contact you upon they get your information at the first time.

YRTSMA260-03-1088 Bore 260 Mm, Axial/radial Bearings, Double Direction For Higher Speeds

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