ZKLDF395 Bore 395 Mm, Axial Angular Contact Ball Bearings, Double Direction, For The Highest Speeds

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ZKLDF395

Bore Diameter:395 mm

Outside Diameter:525 mm

Width:65 mm

Weight:33 kg

Min. Order:1 Piece

The ZKLDF395 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 ZKLDF395 bearing is a Axial angular contact ball bearings, double direction, ZKLDF suitable for the highest speeds with an inner diameter of 395 mm , an outer diameter of 525 mm, a width of 65 mm. 50Mn,42CrMo rings, Its dynamic axial rated load is approximately 240910 N, its static axial rated load is approximately 1579891 N. Open Or Sealing shields on both sides type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

395 mm

Outside Diameter:

525 mm

Thickness:

65 mm

Weight:

33 KG

Dynamic load Capacity, axial:

240910 N

Static load Capacity, axial:

1579891 N

Fatigue Load Limit, Axial:

33968 N

Limiting speed (Oil rpm):

1591

Specifications:

Old Designations:

ZKLDF 395

Structure:

Axial angular contact ball bearings

Number of Rows:

Two

Bearing Material:

50Mn,42CrMo

Seals Type:

Open Or Sealing shields on both sides

Operating Temperature:

-30 to 120 °C

Series:

ZKLDF = high tilting rigidity, low friction and low lubricant consumption

Rolling Element:

balls

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

ZKLDF395 bearings ( 395 mm x 525 mm x 65 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 combined milling and turning.

Part Number	ZKLDF395
Mounting	screw
Bearing Type	Axial angular contact ball bearings, double direction, ZKLDF suitable for the highest speeds
Manufacturer Part Code	ZKLDF 395
Series	ZKLDF = high tilting rigidity, low friction and low lubricant consumption
Seal type	Open Or Sealing shields on both sides
Rolling Element Type	balls
Rolling Element Material	GCr15
Ring Material	50Mn,42CrMo
Rows NO.	Two
Alias	Super Precision Bearings for Rotary Tables
m Weight [kg]	33
Reference From	INA ZKLDF395
Grease for relubrication	Arcanol MULTITOP
Main Dimensions
d φ Inside [inch]	15.551
d tolerance [mm]	-0.023 to 0
D Φ Outside [inch]	20.669
D tolerance [mm]	-0.028 to 0
H High [inch]	2.559
H₁ [inch]	1.673
D₁ [inch]	19.134
D₂ [inch]	17.716
D₃ [inch]	19.213
J [inch]	16.339
J₁ [inch]	19.882
Performance
C_ua Fatigue Axial [lbf]	7636
C_a Dynamic Axial [lbf]	54156
C_0a Static Axial [lbf]	355159
n_G Limiting speed (oil) [r/min]	1591
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	46
d₃ Fixing screws (Outer ring) [inch]	0.366
Fixing holes Outer ring Quantity	45
n Pitch quantity	48
t Pitch separation angle [°]	7.5
t₁ Axial and radial runout [µm]	6
G Threaded extraction hole	M12
Threaded extraction hole Quantity	3
M_A Screw tightening torque [Nm]	34
M_R Bearing friction torque [Nm]	21
Additional information
C_aL Rigidity of bearing position (axial) [kN/µm]	4.5
C_rL Rigidity of bearing position (radial) [kN/µm]	0.9
C_kL Rigidity of bearing position (Tilting rigidity) [kNm/mrad]	100
C_aL Rigidity of bolling element set (axial) [kN/µm]	6.3
C_rL Rigidity of bolling element set (radial) [kN/µm]	0.9
C_kL Rigidity of bolling element set (Tilting rigidity) [kNm/mrad]	144

The ZKLDF395 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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ZKLDF395 Bore 395 Mm, Axial Angular Contact Ball Bearings, Double Direction, For The Highest Speeds

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