SUPER PRECISION BEARINGS - MACHINE TOOL APPLICATIONS
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SUPER PRECISION BEARINGS MACHINE TOOL APPLICATIONS

Setting the Future in Motion We are among the leading manufacturers for rolling bearings, linear technology components and steering systems worldwide. We can be found on almost every continent – with production facilities, sales offices and technology centres – because our customers appreciate short decision-making channels, prompt deliveries and local service. Headquarter Japan The NSK Company NSK commenced operations as the first Japanese manufacturer of rolling bearings back in 1916. Ever since, we have been continuously expanding and improving not only our product portfolio but also our...

Our most important product: our customers’ satisfaction One thing keeps us moving: we want to help you increase the reliability of your vehicles and equipment, not only with excellent products, but above all with excellent service. Our experienced engineers have a deep understanding of systems – together with you, they work to optimise products and processes and develop solutions for the future. The goal that we are dedicated to every day is ensuring that you remain competitive over the long run. More about NSK on www.nskeurope.com SUPER PRECISION BEARINGS - MACHINE TOOL APPLICATIONS

Super Precision Bearings – Product Range Several types of Super Precision Bearings are available from NSK. These include the ROBUST series of high performance bearings, special series of bearings for unique and specialised applications, and the standard series bearings. Angular Contact Ball Bearings - High-Precision Basic Super Precision Bearings - manufactured to conform to ISO standards › 70xx, 72xx, 79xx series › Cage design: phenolic (TR) or polyamide (TYN), depending on application requirements › Ball material: steel, ceramic (SN24) Standard Series Angular Contact Ball Bearings -...

Angular Contact Ball Bearings - Ultra High-Precision High performance bearings developed specifically for internal grinding or high-speed motor applications under spring preload › Bore size range: ø6–25 mm, contact angle: 15˚ › all material: steel (S type), ceramic (H and X type) B › on separable type N › niversal combinations (DU and SU) U BSR Series Cylindrical Roller Bearings - Ultra High-Speed, Single Row Designed for ultra high-speed applications such as machining centre spindles › Cage material: brass (MR)(1), PEEK resin (TP) › oller material: steel, SHX R (1) MR cage is used in the...

Super Precision Bearings – Product Range Deep Groove Ball Bearing, High Precision Suitable for high-speed and high precision motors › Cage material: ball guided polyamide cage (T1X,TYA), inner ring guided phenolic cage (T), selection depends on the application › Suitable for silent or low vibration operation Special Series Ball Screw Support Bearings - BSBD Series, NSKHPS The double row configuration, enables the bearings to support large axial forces in both directions › BSN series withouth flange, BSF series with flange › Paired types also available › Contact lip seal - provides good...

Super Precision Bearings – Nomenclatures Angular Contact Ball Bearings - Standard Serie 7 1 7 Angular Contact Ball Bearing - High Accuracy 2 Dimension 9 = 19 Series, 0 = 10 Series, 2 = 02 Series 3 Bore Code 00 = 10mm, 01 = 12mm 02 = 15mm, 03 = 17mm 4 and above: Bore diameter = Bore number x 5 (mm) 4 Contact Angle C = 15°, A5 = 25°, A = 30° 5 Material No symbol: steel ball SN24: ceramic ball Symbol Material Guiding Features Limiting Speed (dmn value) Available for 6 Cage · Standard Series Excellent wear and noise · NSKROBUST Series Oil: 1.4 million characteristics, especially effective (not...

Super Precision Bearings – Nomenclatures Angular Contact Ball Bearings - „Robust Serie“ for High Speed Applications 50 1 Nominal bore diameter = bore dimension in mm 2 Contact angle Type Inner and outer ring Balls S Bearing steel (SUJ2) Bearing steel (SUJ2) E Bearing steel (SUJ2) Ultra long life rolling elements (EQTF) H Bearing steel (SUJ2) Ceramic (Si3N4) X Heat resistant steel for high-speed operation (SHX) Heat resistant steel for high-speed operation (SHX) see „Standard Series“ page 7 Open type Non-contact rubber seal Direct Lubrication oil holes „Robust Shot“ 7 Arrangemenmt see...

Cylindrical Roller Bearings - Single Row „ROBUST Series“ N Single-row CRB (Inner Ring Guided Rollers) Bore Code Bore diameter = Bore number x 5 (mm) 4 Material Material Type Inner/Outer ring Rollers RS Bearing steel (SUJ2) Bearing steel (SUJ2) RX Heat resistant steel for highspeed operation (SHX) Heat resistant steel for highspeed operation (SHX) 5 Internal design No symbol = Standard TP = Outer ring guided PEEK cage MR = Roller guided brass cage No symbol = Cylindrical bore Radial Clearance CC0 = Standard clearance for tapered bore (smaller clearance) CC1 = Standard clearance for...

Super Precision Bearings – Nomenclatures Cylindrical Roller Bearings - Double Row „High Rigidity Series“ NN 1 NN Double-row CRB (Inner Ring Guided Rollers) 2 39 = 39 Series 3 Bore Code Bore diameter = Bore number x 5 (mm) 4 Internal design 5 TB = Roller guided PPS cage MB = Roller guided brass cage No symbol = Ring guided brass cage 6 No symbol = Cylindrical bore Lubrication Holes No symbol = no lubrication holes E44 = Outer ring with oil groove and lubrication holes 8 Radial Clearance CC0 = Standard clearance for tapered bore CC1 = Standard clearance for cylindrical bore CC9 = Smaller...

Ball Screw Support Bearings - BSBD - Series BS Ball Screw Support Bearing F = Flange Type N = No Flange Type Nominal bore diameter = Bore dimension in mm Outer Diameter Nominal outer diameter = Dimension in mm Seal Type Accuracy Class Running accuracy ISO Class 2 Other NSK Spec No symbol = One double row angular contact ball bearing DT = Paired double row angular contact ball bearing SUPER PRECISION BEARINGS - MACHINE TOOL APPLICATIONS 11