Sapporo Precision (SPB) Bearings from National Precision
Sapporo Precision Bearing (SPB) has been one of the recognized leaders in the manufacturing of precision miniature and medium sized ball bearings since 1969. Bearings are available in inch and metric dimensions and can be purchased in Chrome or stainless steel.
They offer bearings from .06 mm to 90 mm Bore with a variety of closures and lubricants to meet all of your application requirements. With fully automated production both their Japanese and Chinese factories are capable of supplying precision product that is at the highest level of quality for the world market.
National Precision Bearing is your source for SPB bearings for medical devices, aerospace products, AC/DC motors, rotary encoders, centrifuges and numerous other sectors.
Sapporo Precision is ISO 9000, ISO 9001 and ISO 14001 Certified. Please make sure to inquire about SPB Product when sending in your requests.
Radial Deep Grove Ball Bearings
Available in both Chrome steel or Stainless steel. These bearings are the most popular type of ball bearing due to their versatility. SPB offers standard precision grade product that conform to the International Standards Organization (ISO) grade P0 to P4. These standards are similar to the ABEC classifications of Abec 1 through Abec 7.
Metric Series
Bearings with a bore size from 1/4 inch to 5/8 inch. Available straight or flanged in open or shielded configurations. Available on both Chrome Steel or Stainless Steel. They enable manufacturers to further downsize their products without compromising quality and performance.
Inch Series
Bearings with a bore size from 2 mm to 9 mm. Available straight or flanged in open or shielded configurations. Available on both Chrome Steel or Stainless Steel. They enable manufacturers to further downsize their products without compromising quality and performance.
Extra Thin Series
Bearings with a bore size from 10 mm to 95 mm. Extra-thin type flanged bearings are used for the downsizing and lightweight designing because of their thin cross section.
Large Size Ball Bearings
Mass-producible large-sized stainless steel bearings have achieved greater durability and high precision. Resistant to rust and corrosion, this type of bearing with high versatility can be incorporated into any product.
Inch Extended Inner Ring
The bearings have similar characteristics to a radial ball bearing with the exception of the extended inner ring. This can help with mounting by removing the need for spacers or washers.
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Ball Thrust Bearings
Consist of two precision chrome steel washer or rings and a ball complement that is spaced by a bronze retainer. Primarily see these types of bearings used in applications with axial loads only.
