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XSI140744-N - Precision slewing bearing - slewing bearing

Product modelXSI140744-N
d648 mm
D814 mm
B56 mm
Limiting speed741 mm r/min
INA ModelXSI140744-N
SeriesXS
Gear TypeInternal gear
TypeRoller
Metering SystemMetric
Inner diameter of inner ring648 mm
Outer diameter of outer ring814 mm
Inner diameter of outer ring (Di)745 mm
Outer diameter of inner ring(do)741 mm
H56 mm
Weight58 kg
Bolt ring of outer ring (Lo)790 mm
Number of holes on outer ring (no)40
Bolt ring in inner ring (Li)705 mm
Number of holes in inner ring (ni)40
Number of teeth (z2)110
b660 mm
Most Large allowable radial load165200 N
Maximum allowable bending fatigue strength of gear teeth23700 N
Maximum allowable contact fatigue strength of gear teeth35000 N
Axial rated dynamic load (Ca)280000 N
Axial rated static load (C0a)950000 N
Radial dynamic load rating (Cr)197000 N
Radial static load rating (C0r)465000 N
Bearing clearance preload (VSPmax)0.04
Bearing clearance preload (VSPmin)0.01
Operating accuracy (relative to raceway) (a)0.04 mm
Operating accuracy (relative to raceway) (B)0.04 mm
Operating accuracy (relative to raceway) (C)0.06 mm
Operating accuracy (relative to raceway) (D)0.06 mm
Conical lubricating nozzle4
Tooth die6 mm

Product Details

The XSI140744-N is part of the slewing bearing series within our Precision slewing bearing range. It is engineered for high-performance industrial use and delivers reliable operation under demanding working conditions.

Typical applications include: wind turbines, excavators, cranes, tunnel boring machines and solar trackers. For detailed dimensions and load ratings, please refer to the specification table above. Contact FIJ for bulk pricing, technical support or customized solutions.

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XSI140744-N / slewing bearing / Precision slewing bearing