SKF 1203-2RS-C3 Bearing — Specifications, Dimensions & Cross-Reference

The SKF 1203-2RS-C3 is a self-aligning ball bearing double rubber sealed manufactured by SKF. It belongs to the 1200 series and features dimensions of 17 × 40 × 12 mm (bore × OD × width). This bearing has a dynamic load rating of 7,020 N and a static load rating of 2,240 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
Weight0.056 kg
Performance
Dynamic Load Rating (Cr)7,020 N
Static Load Rating (C₀r)2,240 N
Limiting Speed (Grease)15,000 rpm
Limiting Speed (Oil)19,000 rpm
💡 Application Note: The 1200 series bearings are commonly used in conveyor rollers, textile machinery, and applications with shaft misalignment. The -2RS suffix indicates double rubber contact seals, providing excellent protection against dust, moisture, and contaminants — ideal for harsh operating environments.

Brand Cross-Reference — 1203-2RS-C3 Equivalents

The following bearings from other manufacturers are interchangeable with the SKF 1203-2RS-C3. All share identical dimensions (17×40×12mm) and comparable load ratings:

BrandPart NumberDynamic Load (N)Static Load (N)
SKFSKF 1203-2RS-C3 ✦7,0202,240
Timken Timken 1203-2RS-C3 7,020 2,240
NACHI NACHI 1203-2RS-C3 7,020 2,240
KOYO KOYO 1203-2RS-C3 7,020 2,240
Timken Timken 1203-2RS-C3 7,020 2,240
FAG FAG 1203-2RS-C3 7,020 2,240
NSK NSK 1203-2RS-C3 7,020 2,240
NTN NTN 1203-2RS-C3 7,020 2,240
SKF SKF 1203-2RS-C3 7,020 2,240

Available Variants

The SKF 1203 base bearing is available in these configurations:

SKF 1203-ZZ-C3
"Double shielded
SKF 1203-ZZ
Double metal shielded
SKF 1203-NR
Open with snap ring
SKF 1203-C3
"Open
SKF 1203-2Z
Double metal shielded (ISO)
SKF 1203-2RS
Double rubber sealed
SKF 1203
Open (no seal/shield)
SKF 1203-NR
Open with snap ring
SKF 1203-ZZ-C3
Double shielded, C3 clearance
SKF 1203-2RS-C3
Double sealed, C3 clearance
SKF 1203-C3
Open, C3 clearance
SKF 1203-2Z
Double metal shielded (ISO)
SKF 1203-ZZ
Double metal shielded
SKF 1203-2RS
Double rubber sealed
SKF 1203
Open (no seal/shield)

Frequently Asked Questions

What are the dimensions of the SKF 1203-2RS-C3?

The SKF 1203-2RS-C3 has a bore diameter of 17mm, outside diameter of 40mm, and width of 12mm. It weighs 0.056kg.

What is the load capacity of the SKF 1203-2RS-C3?

The dynamic load rating (Cr) is 7,020 N and the static load rating (C₀r) is 2,240 N. The maximum recommended speed is 15,000 rpm with grease lubrication or 19,000 rpm with oil lubrication.

What bearings are equivalent to SKF 1203-2RS-C3?

The 1203-2RS-C3 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.