FAG 6306-2RS Bearing — Specifications, Dimensions & Cross-Reference

The FAG 6306-2RS is a deep groove ball bearing double rubber sealed manufactured by FAG. It belongs to the 6300 series and features dimensions of 30 × 72 × 19 mm (bore × OD × width). This bearing has a dynamic load rating of 28,100 N and a static load rating of 16,000 N, making it suitable for heavy-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)30 mm
Outside Diameter (D)72 mm
Width (B)19 mm
Weight0.327 kg
Performance
Dynamic Load Rating (Cr)28,100 N
Static Load Rating (C₀r)16,000 N
Limiting Speed (Grease)9,000 rpm
Limiting Speed (Oil)11,000 rpm
💡 Application Note: The 6300 series bearings are commonly used in heavy-duty electric motors, mining equipment, construction machinery, and industrial gearboxes. The -2RS suffix indicates double rubber contact seals, providing excellent protection against dust, moisture, and contaminants — ideal for harsh operating environments.

Brand Cross-Reference — 6306-2RS Equivalents

The following bearings from other manufacturers are interchangeable with the FAG 6306-2RS. All share identical dimensions (30×72×19mm) and comparable load ratings:

BrandPart NumberDynamic Load (N)Static Load (N)
FAGFAG 6306-2RS ✦28,10016,000
Timken Timken 6306-2RS 28,100 16,000
SKF SKF 6306-2RS 28,100 16,000
NTN NTN 6306-2RS 28,100 16,000
NACHI NACHI 6306-2RS 28,100 16,000
KOYO KOYO 6306-2RS 28,100 16,000
Timken Timken 6306-2RS 28,100 16,000
NSK NSK 6306-2RS 28,100 16,000
NTN NTN 6306-2RS 28,100 16,000
SKF SKF 6306-2RS 28,100 16,000

Available Variants

The FAG 6306 base bearing is available in these configurations:

FAG 6306-ZZ-C3
"Double shielded
FAG 6306-ZZ
Double metal shielded
FAG 6306-NR
Open with snap ring
FAG 6306-C3
"Open
FAG 6306-2Z
Double metal shielded (ISO)
FAG 6306-2RS-C3
"Double sealed
FAG 6306
Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the FAG 6306-2RS?

The FAG 6306-2RS has a bore diameter of 30mm, outside diameter of 72mm, and width of 19mm. It weighs 0.327kg.

What is the load capacity of the FAG 6306-2RS?

The dynamic load rating (Cr) is 28,100 N and the static load rating (C₀r) is 16,000 N. The maximum recommended speed is 9,000 rpm with grease lubrication or 11,000 rpm with oil lubrication.

What bearings are equivalent to FAG 6306-2RS?

The 6306-2RS is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 30×72×19mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.