Several types of Super Precision Bearings. 

These include the ROBUST series of high performance bearings, special series of bearings for unique and specialised applications, and the standard series bearings.

NSKHPS High Precision Angular Contact Ball Bearings

Basic Super Precision Bearings manufactured to conform to ISO standards.

› 70xx, 72xx, 79xx series

› Contact angles: 15˚ (C), 25˚ (A5), 30˚ (A)

› Cage design: phenolic (TR) or polyamide (TYN), depending on application requirements

› Ball material: steel, ceramic (SN24)

Sealed Angular Contact Ball Bearings

Pre-greased and sealed to reduce handling problems. Suitable for maintenance of machine tool spindles.

› Standard series super precision angular contact ball bearings

› ROBUST series high-speed angular contact ball bearings

› Bore size range: ø30–100 mm in ISO series 10 and 19 (70xx and 79xx)

Double Row Cylindrical Roller Bearings

Designed to deliver high rigidity in high-speed applications such as lathe spindles.

› Cage material: brass (MB), PPS resin (TB)

› Standard specification E44: Outer ring oil holes and groove

High Precision Angular Contact Ball Bearings

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

Ultra High Precision Angular Contact Ball Bearings

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˚

› Ball material: steel (S type), ceramic (H and X type)

› Non separable type

› Universal combinations (DU and SU)

High-Speed Angular Contact Thrust Ball Bearings

High rigidity thrust bearings for lathe applications.

› Contact angles: 30˚ (BAR), 40˚ (BTR)

› Ball material: steel (S type), ceramic (H type)

Ultra High-Speed Angular Contact Ball Bearings

High performance bearings developed for high-speed operation with low temperature rise.

Suitable for ultra high precision machining applications, and ultra high-speed applications.

› Contact angles: 18˚ (BNR), 25˚ (BER)

› Ball material: steel (S type), ceramic (H and X type)

› Cage design: phenolic (T), polyamide (TYN), depending on application requirements

› ROBUST series also can be used for ultra high speed applications of over 3 million dmn.

Ultra High-Speed Single Row Cylindrical Roller Bearings

High performance cylindrical bearings designed for ultra high-speed applications,

such as machining centre spindles.

› Cage material: brass (MR)(1), PEEK resin (TP)

› Roller material: steel, SHX, ceramic

› Ultra high-speed ROBUST RXH design can be used up to 3 million dmn.

(1) MR cage is used in the standard series

High Precision Angular Contact Ball Bearings - RobustShot Series

Direct oil-air lubrication in order to achieve highest speeds.

› Direct air-oil Lubrication via a through-hole in the outer ring

› Contact angles: 18˚ (BNR), 25˚ (BER)

› Lubrication groove with O-rings in the outer ring

› Hybrid bearings - steel rings, ceramic balls

NSKHPS Angular Contact Thrust Ball Bearings for Ball Screw Support

High rigidity thrust bearings designed specifically for ball screw support applications in machine tools.

› Contact angle: 60˚

› Can be universally matched to any required rigidity specification or life cycle

› A pre-greased line using special grease is also available

› Can be supplied with contact seals and waterproof grease

Angular Contact Thrust Ball Bearings for heavy duty Ball Screw Support

The high load capacity design delivers five times the life expectancy compared to ball screw support bearings for

machine tool applications of a similar size. The number of rows can also be reduced.

› Easier handling than tapered roller bearings or thrust spherical roller bearings as a result

of non-separable configuration

› Optimum ball bearing design results in lower rotational torque

› Can be universally matched to any required rigidity specification or life cycle

NSKHPS BSBD Ball Screw Support Bearings

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 sealing at high speeds