FAG 6303-2RS-C3 Bearing — Specifications, Dimensions & Cross-Reference

The FAG 6303-2RS-C3 is a deep groove ball bearing double rubber sealed manufactured by FAG. It belongs to the 6300 series and features dimensions of 17 × 47 × 14 mm (bore × OD × width). This bearing has a dynamic load rating of 13,500 N and a static load rating of 6,550 N, making it suitable for medium-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)	17 mm
Outside Diameter (D)	47 mm
Width (B)	14 mm
Weight	0.107 kg

Performance
Dynamic Load Rating (Cr)	13,500 N
Static Load Rating (C₀r)	6,550 N
Limiting Speed (Grease)	16,000 rpm
Limiting Speed (Oil)	19,000 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 — 6303-2RS-C3 Equivalents

The following bearings from other manufacturers are interchangeable with the FAG 6303-2RS-C3. All share identical dimensions (17×47×14mm) and comparable load ratings:

Brand	Part Number	Dynamic Load (N)	Static Load (N)
FAG	FAG 6303-2RS-C3 ✦	13,500	6,550
Timken	Timken 6303-2RS-C3	13,500	6,550
SKF	SKF 6303-2RS-C3	13,500	6,550
NTN	NTN 6303-2RS-C3	13,500	6,550
NACHI	NACHI 6303-2RS-C3	13,500	6,550
KOYO	KOYO 6303-2RS-C3	13,500	6,550
Timken	Timken 6303-2RS-C3	13,500	6,550
NSK	NSK 6303-2RS-C3	13,500	6,550
NTN	NTN 6303-2RS-C3	13,500	6,550
SKF	SKF 6303-2RS-C3	13,500	6,550

Available Variants

The FAG 6303 base bearing is available in these configurations:

FAG 6303-ZZ-C3

"Double shielded

FAG 6303-ZZ

Double metal shielded

FAG 6303-NR

Open with snap ring

FAG 6303-C3

"Open

FAG 6303-2Z

Double metal shielded (ISO)

FAG 6303-2RS

Double rubber sealed

FAG 6303

Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the FAG 6303-2RS-C3?

The FAG 6303-2RS-C3 has a bore diameter of 17mm, outside diameter of 47mm, and width of 14mm. It weighs 0.107kg.

What is the load capacity of the FAG 6303-2RS-C3?

The dynamic load rating (Cr) is 13,500 N and the static load rating (C₀r) is 6,550 N. The maximum recommended speed is 16,000 rpm with grease lubrication or 19,000 rpm with oil lubrication.

What bearings are equivalent to FAG 6303-2RS-C3?

The 6303-2RS-C3 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 17×47×14mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.