LILY Interchangeable From INA
VA250309-N Slewing Ring Bearings
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INA Part No. VA250309-N
LILY Part No. LVA250309-N
Series VA
Gear External gear
Type Ball
System of Measurement Metric
Inside Diameter Of Inner Ring 235 mm
Outside Diameter Of Outer Ring 408.4 mm
Internal Diameter On Outer Ring (Di) 308 mm
External Diameter On Inner Ring (do) 310 mm
Height Of Overall Bearing Assembly (H) 60 mm
Weight 29.5 kg
Bolt Circle In Outer Ring (Lo) 359 mm
Number Holes In Outer Ring (no) 24
Bolt Circle In Inner Ring (Li) 259 mm
Number Holes In Inner Ring (ni) 24
Number Of Gear Teeth (z2) 80
Face Width Of Gear Teeth (b2) 52.5 mm
b 400 mm
h 52.5 mm
dizt 237 mm
D izt 310 mm
Db 13 mm
Thread Depth (t) 3 mm
t(s) 8 mm
Maximum Allowable Radial Load 99100 N
Maximum Allowable Bending Fatigue Strength Of Gear Teeth 12900 N
Maximum Allowable Contact Fatigue Strength Of Gear teeth 18800 N
Basic Dynamic Load Rating Axial (Ca) 260000 N
Basic Static Load Rating Axial (C0a) 640000 N
Basic Dynamic Load Rating Radial (Cr) 235000 N
Basic Static Load Rating Radial (C0r) 290000 N
Min Radial Bearing Clearance 0.06
Maximum Radial Bearing Clearance 0.25
Min Axial Tilting Clearance 0.1
Maximum Axial Tilting Clearance 0.41
Lip Seals On Both Spides YES
Taper Type Lubrication Nipples 4
Tooth Modules 5 mm
VA250309-N Slewing Ring Bearings cad drawing

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