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Nsk Ball screw support bearing
Modern machine tools require ball screws that can accurately position a work piece or machine component, quickly and effi ciently. The BSN / BSF range of bearings are support bearings designed to specifically meet these demanding requirements.
The double row configuration, with a 60o contact angle, enables the bearings to support large axial forces in both directions, while providing the accuracy
and stiffness required by modern high precision machinery. The bearings are supplied sealed, greased for life and ready for installation.
Example: BS F 30 80 DDU H P3
- BS=Series (Ball
- Screw Support)
- F= Flange type
- N= No Flange type
- 30=Bore
- 80-Outer dia
- DDH=Seal type
- H=Preload
- P3= Class
BSN series
The BSN series of ball screw support bearings are double row, angular contact thrust ball bearings, with a 60o contact angle. They are equivalent to two single
row bearings in a back-to-back arrangement, with a single outer ring. Bearings are supplied ready to be mounted. They come greased with long life lithium
soap grease, with synthetic hydrocarbon base oil.
Under normal operating conditions, the bearings are greased for life. A relubrication groove located on the outside surface of the outer ring allows the bearings to be relubricated during operation if required. The bearings are sealed on both sides. The low friction contact lip seal runs in a grove in the inner ring. This gives
excellent sealing characteristics, while minimizing torque and heat generation.
- BSN1747
- BSN2052
- BSN2557
- BSN3062
- BSN3072
- BSN3572
- BSN4075
- BSN4090
- BSN5090
- BSN50110
- BSN60110
BSF series
The BSF series of bearings is equivalent to the BSN range of bearings, with an extended outer ring, with bolt holes for easy direct mounting. Relubrication holes in outside surface and face of the outer ring allow for relubrication during operation if required. The holes are closed off with set screws.
An extraction groove on the outer surface of the outer ring aids removal of the bearing.
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Nsk Ball Screw Support Bearing
BSF series
The BSF series of bearings is equivalent to the BSN
range of bearings, with an extended outer ring, with
bolt holes for easy direct mounting.
Relubrication holes in outside surface and face of the
outer ring allow for relubrication during operation if
required. The holes are closed off with set screws.
An extraction groove on the outer surface of the outer
ring aids removal of the bearing.
BSF1762
BSF2068
BSF2575
BSF3080
BSF30100
BSF3590
BSF40100
BSF40115
BSF50115
BSF50140
BSF60145
BSF series
The BSF series of bearings is equivalent to the BSN
range of bearings, with an extended outer ring, with
bolt holes for easy direct mounting.
Relubrication holes in outside surface and face of the
outer ring allow for relubrication during operation if
required. The holes are closed off with set screws.
An extraction groove on the outer surface of the outer
ring aids removal of the bearing.
BSF1762
BSF2068
BSF2575
BSF3080
BSF30100
BSF3590
BSF40100
BSF40115
BSF50115
BSF50140
BSF60145
Additional Information:
- Item Code: Nsk-Bsf-Series
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NSK Ball Screw Support Bearing BSBD Series
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Nsk BSBD Series
The double row configuration, with a 60o contact angle, enables the bearings to support large axial forces in both directions, while providing the accuracy and stiffness required by modern high precision machinery. The bearings are supplied sealed, greased for life and ready for installation.
The double row configuration, with a 60o contact angle, enables the bearings to support large axial forces in both directions, while providing the accuracy and stiffness required by modern high precision machinery. The bearings are supplied sealed, greased for life and ready for installation.
Additional Information:
- Item Code: NSK
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