Rolling Elements

Rolling Bearing Steel Balls

High-load, high-precision, low-noise steel balls for bearings in automobiles, motorcycles, machine tools and home appliances. Compliant with JIS B1501, with grades 3 to 200 available.

Tsubaki Nakashima Co., Ltd.

Ceramic Ball

A ball made of silicon nitride, a bearing component characterized by light weight and high rigidity.

JTEKT Corporation

Ceramic Ball (Silicon Nitride)

Silicon nitride ceramic ball. Excellent wear and galling resistance and corrosion resistance, with light weight, non-magnetic and insulating properties. Nominal diameters range from 0.8 mm to 1.5 inches (38.1 mm).

JTEKT Corporation

Silicon Nitride Ceramic Ball (G5 NCR)

Model: 5/32 G5 NCR

Lightweight, non-magnetic, high-heat-resistant silicon nitride ceramic ball. Available in diameters from approximately 0.8 mm to 38.1 mm.

JTEKT Corporation

Fine Ceramics Balls

Various ceramic balls made of silicon nitride, silicon carbide, alumina, and zirconia. Lightweight, high strength, and excellent wear resistance.

Tsubaki Nakashima Co., Ltd.

General-Purpose Glass Ball

General-purpose glass balls for stirring media and valve applications.

Tsubaki Nakashima Co., Ltd.

Cut Ball

A sphere with a portion of a precision ball cut away to create a flat surface for holding.

Tsubaki Nakashima Co., Ltd.

Rolling Bearing Steel Balls (SUJ2・SUS440C)

Rolling bearing steel balls made of SUJ2・SUS440C. Nominal diameter from 0.4 mm to 101.6 mm.

Tsubaki Nakashima Co., Ltd.

Carbon Steel Balls

Carbon steel balls for light-load bearings, casters, and similar applications. Available in four grades, 100 to 1000.

Tsubaki Nakashima Co., Ltd.

Light Carburized Steel Ball

A steel ball with a shallower surface carburizing depth, making additional processing such as drilling and welding easier.

Tsubaki Nakashima Co., Ltd.

Stainless Steel Balls

Standard balls made of martensitic, ferritic, and austenitic stainless steel. Selectable according to corrosion resistance and hardness.

Tsubaki Nakashima Co., Ltd.

Non-Ferrous Metal Balls (Copper Alloy Balls and Aluminum Alloy Balls)

Non-ferrous metal balls made of brass, beryllium copper, phosphor bronze, bronze, and aluminum alloy. Used in applications such as the food industry.

Tsubaki Nakashima Co., Ltd.

Cemented Carbide Ball (Tungsten Carbide Ball)

Cemented carbide ball that maintains hardness at high temperatures. Used for ballpoint pens and other applications.

Tsubaki Nakashima Co., Ltd.

Plastic Balls

Plastic balls precision-ground after injection molding. Lighter than metal balls and requires no anti-rust oil.

Tsubaki Nakashima Co., Ltd.