6311-Open

6300 SeriesOpen

GDQV 6311-Open deep groove ball bearing, 55×120×29mm, open type (no seal or shield), for special applications requiring frequent maintenance. Dynamic load rating 71.65kN, static load rating 45kN. Suitable for electric motors, water pumps, agricultural machinery, and general industrial applications.

Technical Drawing

D = 120d = 55B = 29All dimensions in mmDimension reference diagram — not a manufacturing drawing尺寸参考图 — 非制造图纸

Technical Specifications

Bore (d)55 mm
Outer Diameter (D)120 mm
Width (B)29 mm
Dynamic Load (C)71.65 kN
Static Load (C₀)45 kN
Limiting Speed (Grease)5,600 rpm
Limiting Speed (Oil)6,700 rpm
Internal ClearancePlease contact sales for confirmationPending confirmation
MaterialPlease contact sales for confirmationPending confirmation
Precision GradePlease contact sales for confirmationPending confirmation

Key Features

  • Standard dimensions: 55mm bore × 120mm OD × 29mm width
  • Open type for contamination protection
  • Dynamic load rating: 71.65kN | Static load rating: 45kN
  • Grease speed limit: 5,600 r/min | Oil speed limit: 6,700 r/min
  • Bearing steel, internal clearance and precision grade pending

Need a quote for this bearing?

Get pricing, lead time, and shipping options — submit your inquiry today

Related Products

Other 6300 series bearings you may need

60×130×31mm
View Details
d × D × B60×130×31 mm
Dynamic Load Cr81.9 kN
Speed (Grease)3,600 r/min
63002RS
60×130×31mm
View Details
d × D × B60×130×31 mm
Dynamic Load Cr81.9 kN
Speed (Grease)5,300 r/min
6300ZZ
60×130×31mm
View Details
d × D × B60×130×31 mm
Dynamic Load Cr81.9 kN
Speed (Grease)5,300 r/min
6300Open
60×130×31mm
View Details
d × D × B60×130×31 mm
Dynamic Load Cr81.9 kN
Speed (Grease)- r/min
6300P