KOYO 1200 Bearing — Specifications, Dimensions & Cross-Reference

The KOYO 1200 is a self-aligning ball bearing manufactured by KOYO. It belongs to the 1200 series and features dimensions of 10 × 30 × 9 mm (bore × OD × width). This bearing has a dynamic load rating of 5,070 N and a static load rating of 1,430 N, making it suitable for light-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)10 mm
Outside Diameter (D)30 mm
Width (B)9 mm
Weight0.029 kg
Performance
Dynamic Load Rating (Cr)5,070 N
Static Load Rating (C₀r)1,430 N
Limiting Speed (Grease)20,000 rpm
Limiting Speed (Oil)26,000 rpm
💡 Application Note: The 1200 series bearings are commonly used in conveyor rollers, textile machinery, and applications with shaft misalignment.

Brand Cross-Reference — 1200 Equivalents

The following bearings from other manufacturers are interchangeable with the KOYO 1200. All share identical dimensions (10×30×9mm) and comparable load ratings:

BrandPart NumberDynamic Load (N)Static Load (N)
KOYOKOYO 1200 ✦5,0701,430
Timken Timken 1200 5,070 1,430
SKF SKF 1200 5,070 1,430
NACHI NACHI 1200 5,070 1,430
FAG FAG 1200 5,070 1,430
Timken Timken 1200 5,070 1,430
NSK NSK 1200 5,070 1,430
NTN NTN 1200 5,070 1,430
SKF SKF 1200 5,070 1,430

Available Variants

The KOYO 1200 base bearing is available in these configurations:

KOYO 1200-ZZ-C3
"Double shielded
KOYO 1200-ZZ
Double metal shielded
KOYO 1200-NR
Open with snap ring
KOYO 1200-C3
"Open
KOYO 1200-2Z
Double metal shielded (ISO)
KOYO 1200-2RS-C3
"Double sealed
KOYO 1200-2RS
Double rubber sealed

Frequently Asked Questions

What are the dimensions of the KOYO 1200?

The KOYO 1200 has a bore diameter of 10mm, outside diameter of 30mm, and width of 9mm. It weighs 0.029kg.

What is the load capacity of the KOYO 1200?

The dynamic load rating (Cr) is 5,070 N and the static load rating (C₀r) is 1,430 N. The maximum recommended speed is 20,000 rpm with grease lubrication or 26,000 rpm with oil lubrication.

What bearings are equivalent to KOYO 1200?

The 1200 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 10×30×9mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.