VLI 20 0644 N Four Point Contact Slewing Ring Light Series 20, Internal Gear Teeth

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VLI 20 0644 N

Bore Diameter:546 mm

Outside Diameter:748 mm

Width:56 mm

Weight:45.05 kg

Min. Order:1 Piece

The VLI 20 0644 N Flanged-type slewing bearings are widely used in Scenarios that require equipment weight, installation space, and rotational flexibility, but have medium or low load-bearing requirements, such as industrial robots (wrist joints), machine tools (tool magazines, turntables), automated equipment (robotic arms), medical equipment (surgical robots), packaging equipment, and aerospace (antenna drive mechanisms), among other fields.

The VLI 20 0644 N bearing is a Four point contact bearing, slewing ring light series 20, internal gear teeth with an inner diameter of 546 mm , an outer diameter of 748 mm, a width of 56 mm. It typically uses P5, P6, P0 grade precision tolerances and 50Mn,42CrMo rings, GCr15 rolling mlement. It primarily bears axial, radial and tilting moment loads, Its dynamic radial rated load is approximately 147000 N, its static radial rated load is approximately 171000 N. Its dynamic axial rated load is approximately 162000 N, its static axial rated load is approximately 455000 N. lip seals on both sides type, NBR (Nitrile Butadiene Rubber). together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Interchange code: VLI200644-N

Dimensions:

Inside Diameter:

546 mm

Outside Diameter:

748 mm

Thickness:

56 mm

Weight:

45.05 KG

Performance Data:

Dynamic load Capacity, Radial (Cr):

147000 N

Static load Capacity, Radial (Cor):

171000 N

Dynamic load Capacity, axial:

162000 N

Static load Capacity, axial:

455000 N

Specifications:

Structure:

Light load slewing bearings (Internal gear type)

Number of Rows:

One

Precision Rating:

P5, P6, P0

Load Direction:

axial, radial and tilting moment loads

Bearing Material:

50Mn,42CrMo

Seals Type:

lip seals on both sides

Seal Material:

NBR (Nitrile Butadiene Rubber)

Rolling Mlement Material:

GCr15

Operating Temperature:

-25 to 80 °C

System of Measurement:

Metric

Series:

VLI20

Rolling Element:

Balls

Gear Options:

internal

Transaction Information:

Transport Package:

Standard Export Package

Service:

7*24 hour

Shipping Ways:

by Sea or Air

Country of Origin:

china

Stock:

10 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

VLI 20 0644 N bearings ( 546 mm x 748 mm x 56 mm) have the advantages of Lightweight, compact, flexible in operation, with good load-bearing capacity, and easy to install, and are therefore widely used in the Industrial robots, medical equipment (CT scanner), packaging machinery.

Part Number	VLI 20 0644 N
Bearing Type	Four point contact bearing, slewing ring light series 20, internal gear teeth
Series	VLI20
Equivalent	VLI200644-N
Interchangeable	INA VLI 20 0644 N
Load direction	axial, radial and tilting moment loads
Lubrication nipples	4 taper type lubrication nipples, DIN 71412-A S8x1, arranged evenly about the circumference, uniform
Seal type	lip seals on both sides
Seal Material	NBR (Nitrile Butadiene Rubber)
Rows NO.	One
m Weight [kg]	45.05
Performance Data
C_a Dynamic Axial	162000 N \| 162.000 KN
C_0a Static Axial	455000 N \| 455.000 KN
C_r Radial Dynamic	147000 N \| 147.000 KN
C_0r Radial Static	171000 N \| 171.000 KN
Operating temperature - T(min) [°C]	-25
Operating temperature - T(max) [°C]	80
Dimensions
d₁ φ Inside Diameter [mm]	546
D_a Φ Outside Diameter [mm]	748
D_a Tolerance [mm]	-0.6
d_{i φ Bore Diameter [mm]}	546
D_i Inner diameter outer ring [mm]	645.5
D_i Tolerance [mm]	+0.6
d_a Outside diameter inner ring [mm]	642.5
d_a Tolerance [mm]	-0.6
Height - H [mm]	56
h_a Width outer ring [mm]	44.5
h_A Ring cross section [mm]	20
h_f Height of flange [mm]	12
h_i Height of inner ring [mm]	44.5
Fixing holes
L_a Pitchcircle diameter fixing holes outer ring [mm]	720
n_a Number of fixing holes in outer ring	12
L_i Pitchcircle diameter fixing holes inner ring [mm]	605
n_i Number of fixing holes in inner ring	18
d_B Fixing bore [mm]	18
Fr _{zul Max} Radial load fixing screws	74300 N \| 74.300 KN
d_Bi Tread fixing bore	M12
G_l Thread depth fixing hole [mm]	20
Gearing
Gearing type	N = Normalized gear teeth on bearing ring
Gear teeth type	internal
Gear rings material	C45N or 42CrMo4V65 (suffix N)
d₀ Pitch circle diameter gearing [mm]	558
m Module of gearing [mm]	6
z Number of teeth	93
F_{z norm} Tooth force	23700 N \| 23.700 KN
F_{z max} Tooth force	35000 N \| 35.000 KN
Designation Breakdown
Radial internal clearance	Standard_VL = Standard radial clearance 0 to 0.5 and axial tilting clearance 0 to 0.7

The VLI 20 0644 N Flange-type slewing bearings mainly consist of an inner or outer ring with a flange, another ring, rolling elements (steel balls or rollers), spacers, and sealing devices. The flange rings have mounting holes for direct bolt connection.

The flange structure of flange-type slewing bearings simplifies the installation process, eliminating the need for additional mounting seats, resulting in convenient assembly and precise positioning. They offer high overall rigidity, capable of simultaneously withstanding axial loads, radial loads, and overturning moments, while their compact structure saves space.

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High quality VLI 20 0644 N ( 45.05 kg Mass, ID: 546 mm OD: 748 mm WD: 56 mm , VLI20 Series , One Rows , P5, P6, P0 Accuracy Class , 50Mn,42CrMo Material , 147000 Radial dynamic , 171000 Radial static ), Just click the button " Contact Now " to mention your purchase Requirement , Quantity and Contact Method of your requested Bearing Item No. VLI 20 0644 N. 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.

VLI 20 0644 N Four Point Contact Slewing Ring Light Series 20, Internal Gear Teeth

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