YRTS325 Bore 325 Mm, Axial/radial Cylindrical Roller Bearings, Double Direction For Higher Speeds

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YRTS325

Bore Diameter:325 mm

Outside Diameter:450 mm

Width:60 mm

Weight:25 kg

Min. Order:1 Piece

The YRTS325 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 YRTS325 bearing is a Axial/radial cylindrical roller bearings, double direction, YRTS for higher speeds with an inner diameter of 325 mm , an outer diameter of 450 mm, a width of 60 mm. 50Mn,42CrMo rings, Its dynamic radial rated load is approximately 108885 N, its static radial rated load is approximately 319947 N. Its dynamic axial rated load is approximately 190777 N, its static axial rated load is approximately 1259897 N. Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

325 mm

Outside Diameter:

450 mm

Thickness:

60 mm

Weight:

25 KG

Performance Data:

Dynamic load Capacity, Radial (Cr):

108885 N

Static load Capacity, Radial (Cor):

319947 N

Dynamic load Capacity, axial:

190777 N

Static load Capacity, axial:

1259897 N

Limiting speed (Oil rpm):

750

Specifications:

Old Designations:

YRTS 325

Structure:

Axial/radial cylindrical roller

Number of Rows:

Three

Bearing Material:

50Mn,42CrMo

Seals Type:

Open

Operating Temperature:

-30 to 120 °C

Series:

YRTS

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

YRTS325 bearings ( 325 mm x 450 mm x 60 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	YRTS325
Mounting	screw
Bearing Type	Axial/radial cylindrical roller bearings, double direction, YRTS for higher speeds
Manufacturer Part Code	YRTS 325
Series	YRTS
Seal type	Open
Axial runout and radial runout	Standard design
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]	25
Reference From	INA YRTS325
Grease for relubrication	Arcanol LOAD150
Similar model	YRTS325-PRL50/IR
Main Dimensions
d φ Inside [inch]	12.795
d tolerance [mm]	-0.023 to 0
D Φ Outside [inch]	17.716
D tolerance [mm]	-0.023 to 0
H High [inch]	2.362
H₁ [inch]	1.575
H₂ [inch]	0.787
C [inch]	0.787
D₁ [inch]	16.342
J [inch]	13.465
J₁ [inch]	16.929
Performance
C_r Dynamic Radial [lbf]	24477
C_0r Static Radial [lbf]	71924
C_a Dynamic Axial [lbf]	42886
C_0a Static Axial [lbf]	283224
n_G Limiting speed (oil) [r/min]	750
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
Additional information
C_aL Rigidity of bearing position (axial) [kN/µm]	6.6
C_rL Rigidity of bearing position (radial) [kN/µm]	1.8
C_kL Rigidity of bearing position (Tilting rigidity) [kNm/mrad]	109
C_aL Rigidity of bolling element set (axial) [kN/µm]	19.9
C_rL Rigidity of bolling element set (radial) [kN/µm]	7.1
C_kL Rigidity of bolling element set (Tilting rigidity) [kNm/mrad]	341
M_m Mass moment of inertia for rotating (inner ring IR) [kg*cm2]	4506
M_m Mass moment of inertia for rotating (outer ring AU) [kg*cm2]	2489

The YRTS325 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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YRTS325 Bore 325 Mm, Axial/radial Cylindrical Roller Bearings, Double Direction For Higher Speeds

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