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

30E.0166.25.000 Slewing Ring Bearing

30 Series slewing ring bearing, external gear, 312 mm OD × 145 mm ID.

Specifications

SlewPro part number30E.0166.25.000
Series30 Series
Bearing designFour-point contact, single-row ball
GearExternal gear
Raceway diameter166 mm (6.54 in)
Outside diameter312.2 mm (12.29 in)
Inside diameter145 mm (5.71 in)
Overall height50 mm (1.97 in)
Outer ring height43.9 mm (1.73 in)
Inner ring height43.9 mm (1.73 in)
All diameters on drawing12.29 in (312.2 mm), 8.88 in (225.6 mm), 8.78 in (223.0 mm), 8.74 in (222.0 mm), 8.64 in (219.5 mm), 5.71 in (145.0 mm)
All heights on drawing1.97 in (50.0 mm), 1.73 in (43.9 mm)
Diametral pitch5
Number of teeth60
Pitch diameter12 in
Pressure angle20°
MaterialSteel, 42CrMo
Approx. weight36.2 lb (16 kg)

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

30 Series slewing ring

Get this bearing

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

Request a Quote

Talk to an engineer

Need help selecting the right part? Our engineers will size it, cross it, and quote it — usually within 1–2 business days.

Not in the catalog? We design to your application, with no engineering charge.