Engineered & supported in Hudson, Ohio since 2012330-633-7735 · info@slewpro.com
Potesta & Company
SlewPro
21 SeriesExternal gearINA VLA200414N

21E.0414.20.000 Slewing Ring Bearing

21 Series slewing ring bearing, external gear, 503 mm OD × 304 mm ID. Interchangeable with INA VLA200414N.

Specifications

SlewPro part number21E.0414.20.000
Series21 Series
Bearing designFour-point contact, single-row ball
GearExternal gear
Raceway diameter414 mm (16.30 in)
Outside diameter503.2 mm (19.81 in)
Inside diameter304 mm (11.97 in)
Overall height55.9 mm (2.20 in)
Outer ring height44.4 mm (1.75 in)
Inner ring height47.5 mm (1.87 in)
Outer ring bore415.5 mm (16.36 in)
Inner ring outside diameter412.5 mm (16.24 in)
All diameters on drawing19.81 in (503.2 mm), 16.36 in (415.5 mm), 16.24 in (412.5 mm), 14.67 in (372.6 mm), 11.97 in (304.0 mm)
All heights on drawing2.20 in (55.9 mm), 1.87 in (47.5 mm), 1.75 in (44.4 mm), 0.47 in (11.9 mm)
Gear module5
Number of teeth99
Pitch diameter19.488 mm
Pressure angle20°
Approx. weight68.1 lb (31 kg)

Dimensions from our 3D model; confirm against the certified drawing. Load ratings and life calculations available from our engineers.

Crosses to

INAVLA200414N

Interchange based on published dimensions; our engineers confirm fit before quoting.

21 Series slewing ring

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Standard lead time 14–16 weeks; expediting available for an additional charge. Pricing quoted within 1–2 business days. Matching pinions available.

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