NTN 6198 Bearing — Specifications, Dimensions & Cross-Reference

The NTN 6198 is a deep groove ball bearing manufactured by NTN. It belongs to the 619 series and features dimensions of 40 × 68 × 15 mm (bore × OD × width). This bearing has a dynamic load rating of 16,800 N and a static load rating of 11,600 N, making it suitable for medium-duty applications.

Technical Specifications

Dimensions
Bore Diameter (d)40 mm
Outside Diameter (D)68 mm
Width (B)15 mm
Weight0.180 kg
Performance
Dynamic Load Rating (Cr)16,800 N
Static Load Rating (C₀r)11,600 N
Limiting Speed (Grease)10,000 rpm
Limiting Speed (Oil)12,000 rpm
💡 Application Note: The 619 series bearings are commonly used in thin-section applications, robotics, aerospace mechanisms, and space-constrained designs.

Brand Cross-Reference — 6198 Equivalents

The following bearings from other manufacturers are interchangeable with the NTN 6198. All share identical dimensions (40×68×15mm) and comparable load ratings:

BrandPart NumberDynamic Load (N)Static Load (N)
NTNNTN 6198 ✦16,80011,600
NTN NTN 6198 16,800 11,600
NACHI NACHI 6198 16,800 11,600
KOYO KOYO 6198 16,800 11,600
Timken Timken 6198 16,800 11,600
FAG FAG 6198 16,800 11,600
NSK NSK 6198 16,800 11,600
SKF SKF 6198 16,800 11,600

Available Variants

The NTN 6198 base bearing is available in these configurations:

NTN 6198-ZZ-C3
"Double shielded
NTN 6198-ZZ
Double metal shielded
NTN 6198-NR
Open with snap ring
NTN 6198-C3
"Open
NTN 6198-2Z
Double metal shielded (ISO)
NTN 6198-2RS-C3
"Double sealed
NTN 6198-2RS
Double rubber sealed
NTN 6198
Open (no seal/shield)
NTN 6198-NR
Open with snap ring
NTN 6198-ZZ-C3
Double shielded, C3 clearance
NTN 6198-2RS-C3
Double sealed, C3 clearance
NTN 6198-C3
Open, C3 clearance
NTN 6198-2Z
Double metal shielded (ISO)
NTN 6198-ZZ
Double metal shielded
NTN 6198-2RS
Double rubber sealed

Frequently Asked Questions

What are the dimensions of the NTN 6198?

The NTN 6198 has a bore diameter of 40mm, outside diameter of 68mm, and width of 15mm. It weighs 0.180kg.

What is the load capacity of the NTN 6198?

The dynamic load rating (Cr) is 16,800 N and the static load rating (C₀r) is 11,600 N. The maximum recommended speed is 10,000 rpm with grease lubrication or 12,000 rpm with oil lubrication.

What bearings are equivalent to NTN 6198?

The 6198 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 40×68×15mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.