XSA140744N Crossed Roller Slewing Ring, Standard Series 14, External Teeth, Sealed

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XSA140744N

Bore Diameter:674 mm

Outside Diameter:838.1 mm

Width:56 mm

Weight:60 kg

Min. Order:1 Piece

The XSA140744N Crossed roller slewing bearings are widely used in requiring high levels of rotational accuracy, rigidity, and load-bearing capacity, where installation space is often limited，such as industrial robots (joints, rotary seats), CNC machine tools (rotary tables, turrets), medical equipment (CT scanners, surgical robots), precision measuring instruments, radar turntables, and aerospace applications.

The XSA140744N bearing is a Crossed roller bearing, slewing ring standard series 14, external teeth, sealed with an inner diameter of 674 mm , an outer diameter of 838.1 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 195000 N, its static radial rated load is approximately 475000 N. Its dynamic axial rated load is approximately 275000 N, its static axial rated load is approximately 970000 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: XSA140744-N

Dimensions:

Inside Diameter:

674 mm

Outside Diameter:

838.1 mm

Thickness:

56 mm

Weight:

60 KG

Performance Data:

Dynamic load Capacity, Radial (Cr):

195000 N

Static load Capacity, Radial (Cor):

475000 N

Dynamic load Capacity, axial:

275000 N

Static load Capacity, axial:

970000 N

Specifications:

Old Designations:

XSA140744-N

Structure:

Crossed roller slewing bearings (External 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:

XSA14

Rolling Element:

Cylindrical Rollers

Gear Options:

external

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

XSA140744N bearings ( 674 mm x 838.1 mm x 56 mm) have the advantages of The rollers are arranged in a cross pattern, resulting in minimal deformation, low rotational runout, and precise positioning, and are therefore widely used in the Industrial robots, machine tool rotary tables, medical devices, radar antennas and precision rotating equipment.

Part Number	XSA140744N
Bearing Type	Crossed roller bearing, slewing ring standard series 14, external teeth, sealed
Series	XSA14
Equivalent	XSA140744-N
Interchangeable	INA XSA140744N
Load direction	axial, radial and tilting moment loads
Lubrication nipples	4 taper type lubrication nipples, DIN 71412-A M8x1,arranged evenly about the circumference
Seal type	lip seals on both sides
Seal Material	NBR (Nitrile Butadiene Rubber)
Rows NO.	One
m Weight [kg]	60
Performance Data
C_a Dynamic Axial	275000 N \| 275.000 KN
C_0a Static Axial	970000 N \| 970.000 KN
C_r Radial Dynamic	195000 N \| 195.000 KN
C_0r Radial Static	475000 N \| 475.000 KN
Operating temperature - T(min) [°C]	-25
Operating temperature - T(max) [°C]	80
Dimensions
D_a Φ Outside Diameter [mm]	838.1
d_{i φ Bore Diameter [mm]}	674
d_i Tolerance [mm]	+IT7
D_i Inner diameter outer ring [mm]	747
D_i Tolerance [mm]	+IT7
D_iZT Diameter centring outer ring [mm]	747
d_a Outside diameter inner ring [mm]	743
d_a Tolerance [mm]	-0.6
Height - H [mm]	56
h Height of individual ring [mm]	44.5
T Length centering inner ring [mm]	4.5
t Length centering inner ring [mm]	10
h_a Width outer ring [mm]	44.5
Fixing holes
L_a Pitchcircle diameter fixing holes outer ring [mm]	785
n_a Number of fixing holes in outer ring	36
L_i Pitchcircle diameter fixing holes inner ring [mm]	698
n_i Number of fixing holes in inner ring	40
d_B Fixing bore [mm]	14
Fr _{zul Max} Radial load fixing screws	148700 N \| 148.700 KN
t_G Thread depth [mm]	20
Gearing
Gearing type	N = Normalized gear teeth on bearing ring
Gear teeth type	external
Gear rings material	C45N or 42CrMo4V65 (suffix N)
b Width gearing [mm]	44.5
d₀ Pitch circle diameter gearing [mm]	828
m Module of gearing [mm]	6
z Number of teeth	138
F_{z norm} Tooth force	21300 N \| 21.300 KN
F_{z max} Tooth force	31500 N \| 31.500 KN
Designation Breakdown
VSP min preload [mm]	0.01
VSP max preload [mm]	0.04

The XSA140744N Crossed roller slewing bearings mainly consist of an inner ring, an outer ring, cross-arranged cylindrical rollers, spacers, and a sealing device. The rollers are arranged at 90° intervals within the raceway, enabling a single-row structure to withstand multi-directional loads.

The cross-arrangement of the rollers in crossed roller slewing bearings allows them to simultaneously withstand radial loads, axial loads, and overturning moments. They exhibit extremely high rigidity and a precision grade of P5 or higher. Their compact structure and easy installation significantly save installation space.

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High quality XSA140744N ( 60 kg Mass, ID: 674 mm OD: 838.1 mm WD: 56 mm , XSA14 Series , One Rows , P5, P6, P0 Accuracy Class , 50Mn,42CrMo Material , 195000 Radial dynamic , 475000 Radial static ), Just click the button " Contact Now " to mention your purchase Requirement , Quantity and Contact Method of your requested Bearing Item No. XSA140744N. 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.

XSA140744N Crossed Roller Slewing Ring, Standard Series 14, External Teeth, Sealed

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