6302RZ

6300 SeriesRZ

GDQV 6302RZ deep groove ball bearing, 15×42×13mm, single rubber seal (light-contact type), good sealing with moderate friction. Rated dynamic load 11.4kN, rated static load 5.4kN. Typical applications: Agricultural Machinery, Water Pumps, Automotive, Oil & Gas.

Technical Drawing

D = 42d = 15B = 13All dimensions in mmDimension reference diagram — not a manufacturing drawing尺寸参考图 — 非制造图纸

Technical Specifications

Bore (d)15 mm
Outer Diameter (D)42 mm
Width (B)13 mm
Dynamic Load (C)11.4 kN
Static Load (C₀)5.4 kN
Limiting Speed (Grease)17,000 rpm
Limiting Speed (Oil)20,000 rpm
Internal ClearanceC0
MaterialGCr15
Precision GradeP0

Seal Design Notes

Seal construction
An RZ sealing ring made of nitrile rubber (NBR) on one side; the opposite side is open.
What it shields
The ring helps limit contaminant entry and grease escape on the sealed side. The factory table does not specify contact geometry or a water-resistance rating.
Effect on speed
The listed grease-lubricated limiting speed is 100% of the open version for the same base model. This is a speed-rating comparison, not a claim of zero seal friction.
Lubrication
The factory table lists both grease and oil lubrication. Check the model-specific oil speed and lubricant supply through the open side.
When to choose it
Consider RZ when one NBR sealing ring and the listed open-version grease speed suit the application, with the opposite side protected by the assembly.

Key Features

  • Standard dimensions: 15mm bore × 42mm OD × 13mm width
  • Single rubber seal for contamination protection
  • Dynamic load rating: 11.4kN | Static load rating: 5.4kN
  • Grease speed limit: 17,000 r/min | Oil speed limit: 20,000 r/min
  • Bearing steel, internal clearance and precision grade pending

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