KOYO 6809-2RS-C3 Bearing — Specifications, Dimensions & Cross-Reference

The KOYO 6809-2RS-C3 is a deep groove ball bearing double rubber sealed manufactured by KOYO. It belongs to the 6800 series and features dimensions of 45 × 58 × 7 mm (bore × OD × width). This bearing has a dynamic load rating of 3,600 N and a static load rating of 3,000 N, making it suitable for light-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)45 mm
Outside Diameter (D)58 mm
Width (B)7 mm
Weight0.033 kg
Performance
Dynamic Load Rating (Cr)3,600 N
Static Load Rating (C₀r)3,000 N
Limiting Speed (Grease)12,000 rpm
Limiting Speed (Oil)16,000 rpm
💡 Application Note: The 6800 series bearings are commonly used in precision instruments, medical devices, dental handpieces, and miniature mechanisms. The -2RS suffix indicates double rubber contact seals, providing excellent protection against dust, moisture, and contaminants — ideal for harsh operating environments.

Brand Cross-Reference — 6809-2RS-C3 Equivalents

The following bearings from other manufacturers are interchangeable with the KOYO 6809-2RS-C3. All share identical dimensions (45×58×7mm) and comparable load ratings:

BrandPart NumberDynamic Load (N)Static Load (N)
KOYOKOYO 6809-2RS-C3 ✦3,6003,000
Timken Timken 6809-2RS-C3 3,600 3,000
SKF SKF 6809-2RS-C3 3,600 3,000
NTN NTN 6809-2RS-C3 3,600 3,000
NACHI NACHI 6809-2RS-C3 3,600 3,000
FAG FAG 6809-2RS-C3 3,600 3,000
Timken Timken 6809-2RS-C3 3,600 3,000
NSK NSK 6809-2RS-C3 3,600 3,000
NTN NTN 6809-2RS-C3 3,600 3,000
SKF SKF 6809-2RS-C3 3,600 3,000

Available Variants

The KOYO 6809 base bearing is available in these configurations:

KOYO 6809-ZZ-C3
"Double shielded
KOYO 6809-ZZ
Double metal shielded
KOYO 6809-NR
Open with snap ring
KOYO 6809-C3
"Open
KOYO 6809-2Z
Double metal shielded (ISO)
KOYO 6809-2RS
Double rubber sealed
KOYO 6809
Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the KOYO 6809-2RS-C3?

The KOYO 6809-2RS-C3 has a bore diameter of 45mm, outside diameter of 58mm, and width of 7mm. It weighs 0.033kg.

What is the load capacity of the KOYO 6809-2RS-C3?

The dynamic load rating (Cr) is 3,600 N and the static load rating (C₀r) is 3,000 N. The maximum recommended speed is 12,000 rpm with grease lubrication or 16,000 rpm with oil lubrication.

What bearings are equivalent to KOYO 6809-2RS-C3?

The 6809-2RS-C3 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 45×58×7mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.