INA XSA140744-N bearings
INA slewing ring, crossed roller bearing, external gear teeth


INA slewing ring, crossed roller bearing, external gear teeth
Bore diameter
674.000 mm
Outside diameter
838.100 mm
Total width
56.000 mm
Cr
195000 N
C0r
475000 N
Ca
275000 N
C0a
970000 N
Net weight
60.0 kg
Measurement system
Metric
Sealing
Seal on both sides
Cage
Plastic spacers
Bearing material
Steel
Rolling material
Steel
Lubricant in bearing
Grease
Relubrication feature
With

In stock


Technical specification for INA XSA140744-N

XSA140744-N INA
Part NumberXSA140744-N
DescriptionCrossed roller bearings, standard series 14, external gear teeth, lip seals on both sides
Main Dimensions & Performance Data
di ZT 674 mm Diameter centring inner ring
  IT7 Diameter centring inner ring tolerance
t 10 mm Length centering inner ring
Da 838.1 mm Outside Diameter
Di ZT 747 mm Diameter centring outer ring
  IT7 Diameter centring outer ring tolerance
T 4.5 mm Length centering outer ring
H 56 mm Heigth
m 60.0 kg Weight
Dimensions of XSA140744-N
ha 44.5 mm Height outer ring
La 785 mm Pitchcircle diameter fixing holes outer ring
na 36 Number of fixing holes in outer ring
b 44.5 mm Width gearing
m 6 mm Modul of gearing
z 138 Number of teeth
d0 828 mm Pitch circle diameter gearing
Fz norm 21300 N Max. tooth force root fatigue strenght (at a shock factor of 1,2)
Fz max 31500 N Max. tooth force against tooth fracture (at a shock factor of 1,35)
da 743 mm Outer diameter inner ring
  0 mm Outside diameter inner ring upper tolerance
  -0.6 mm Outside diameter inner ring lower tolerance
h 44.5 mm Height of individual ring
dB 14 mm Fixing bore
Li 698 mm Pitchcircle diameter fixing holes inner ring
ni 40 Number of fixing holes in inner ring
  M12 Tread fixing bore
tG 20 mm Thread depth oil connector
  0.05 mm Running accuracy A (related to the raceway)
  0.05 mm Running accuracy B (related to the raceway)
  0.08 mm Running accuracy C (related to the raceway)
  0.08 mm Running accuracy D (related to the raceway)
Calculation factors for XSA140744-N
Ca 275000 N Basic dynamic load rating, axial
Cr 195000 N Basic dynamic load rating, radial (for radial load only)
C0a 970000 N Basic static load rating, axial
C0r 475000 N Basic static load rating, radial (for radial load only)
VSPmin 0.01 mm Min. bearing preload
VSPmax 0.04 mm Maximum bearing preload
Fr zul 148700 N Max. radial load fixing screws (friction locking)
INA slewing ring, crossed roller bearing, external gear teeth

INA XSA140744-N crossed roller bearings, standard series 14, external gear teeth, lip seals on both sides:

  • Cylindrical rollers, spacers made from plastic
  • Sealed on both sides
  • Number of fixing holes in outer ring: 36
  • Number of fixing holes in inner ring: 40
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