KOYO 6193-2RS Bearing — Specifications, Dimensions & Cross-Reference

The KOYO 6193-2RS is a deep groove ball bearing double rubber sealed manufactured by KOYO. It belongs to the 619 series and features dimensions of 17 × 40 × 12 mm (bore × OD × width). This bearing has a dynamic load rating of 9,360 N and a static load rating of 4,750 N, making it suitable for light-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)	17 mm
Outside Diameter (D)	40 mm
Width (B)	12 mm
Weight	0.065 kg

Performance
Dynamic Load Rating (Cr)	9,360 N
Static Load Rating (C₀r)	4,750 N
Limiting Speed (Grease)	17,000 rpm
Limiting Speed (Oil)	20,000 rpm

💡 Application Note: The 619 series bearings are commonly used in thin-section applications, robotics, aerospace mechanisms, and space-constrained designs. The -2RS suffix indicates double rubber contact seals, providing excellent protection against dust, moisture, and contaminants — ideal for harsh operating environments.

Brand Cross-Reference — 6193-2RS Equivalents

The following bearings from other manufacturers are interchangeable with the KOYO 6193-2RS. All share identical dimensions (17×40×12mm) and comparable load ratings:

Brand	Part Number	Dynamic Load (N)	Static Load (N)
KOYO	KOYO 6193-2RS ✦	9,360	4,750
Timken	Timken 6193-2RS	9,360	4,750
SKF	SKF 6193-2RS	9,360	4,750
NTN	NTN 6193-2RS	9,360	4,750
NACHI	NACHI 6193-2RS	9,360	4,750
Timken	Timken 6193-2RS	9,360	4,750
FAG	FAG 6193-2RS	9,360	4,750
NSK	NSK 6193-2RS	9,360	4,750
NTN	NTN 6193-2RS	9,360	4,750
SKF	SKF 6193-2RS	9,360	4,750

Available Variants

The KOYO 6193 base bearing is available in these configurations:

KOYO 6193-ZZ-C3

"Double shielded

KOYO 6193-ZZ

Double metal shielded

KOYO 6193-NR

Open with snap ring

KOYO 6193-C3

"Open

KOYO 6193-2Z

Double metal shielded (ISO)

KOYO 6193-2RS-C3

"Double sealed

KOYO 6193

Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the KOYO 6193-2RS?

The KOYO 6193-2RS has a bore diameter of 17mm, outside diameter of 40mm, and width of 12mm. It weighs 0.065kg.

What is the load capacity of the KOYO 6193-2RS?

The dynamic load rating (Cr) is 9,360 N and the static load rating (C₀r) is 4,750 N. The maximum recommended speed is 17,000 rpm with grease lubrication or 20,000 rpm with oil lubrication.

What bearings are equivalent to KOYO 6193-2RS?

The 6193-2RS is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 17×40×12mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.