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Bearing Nuts & Washers

Nuts and washers for bearings are tools for fixing machine tool spindle bearings, ball screw support bearings, high-speed rotating shafts, and bearings that require high precision. Some are also used for removal sleeves, adapters, and shafts. Some types do not require toothed washers or shaft keyway processing, and are often used as alternatives. There are various materials such as carbon steel for machine structure and stainless steel. It is characterized by ingenuity according to the application and purpose, such as increasing the locking force by inserting a slit in the nut itself.
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  1. Bearing Nut
    Hikari Seiki Bearing Nut
    Type  Lock nut  Shape  Round type 
    Rating:
    94%
    from S$2.69
    Min. 2 days
  2. Bearing Washer
    Hikari Seiki Bearing Washer
    Shape  Round type  Type  Washer 
    Rating:
    100%
    from S$0.79
    Min. 2 days
  3. Roller Bearing Washers
    Yokota Kikou Roller Bearing Washers
    A washer with a bent tongue. For general shaft (AN00-AN40) For adapter (AN00-AN40)
    Material  SPCC 
    Rating:
    81%
    from S$1.09
    Min. 2 days
  4. Nut for Roller Bearing
    Yokota Kikou Nut for Roller Bearing
    For general shaft (AN00-AN100) For adapter (AN04 to AN100. Applicable to H31, 2, 32, 23 series) For removable sleeve (AN09-AN40)
    Material  SS400 
    Rating:
    89%
    from S$3.19
    Min. 2 days
  5. Nut for Roller Bearing (Left Thread)
    Yokota Kikou Nut for Roller Bearing (Left Thread)
    RoHS directive (corresponding to 10 substances) 
    Rating:
    100%
    from S$3.39
    Min. 2 days
  6. Fine U-Nut SS
    FUJI SEIMITSU Fine U-Nut SS
    Labor saving without the need for key groove processing on the shaft.
    Screw accuracy (JIS)  JIS6H (grade 2)  Type  Lock nut  Surface Treatment  None  Shape  Round type  Material (Nut)  SS400 or equivalent  Material (Friction Ring)  SUS301 
    Rating:
    67%
    from S$3.99
    Min. 2 days
  7. Washer (Stainless Steel)
    Hikari Seiki Washer (Stainless Steel)
    Shape  Round type  Material  Stainless steel  Type  Washer 
    Rating:
    100%
    from S$2.99
    Min. 2 days
  8. Fine U-Nut SC
    FUJI SEIMITSU Fine U-Nut SC
    Labor saving without the need for key groove processing on the shaft.
    Screw accuracy (JIS)  JIS6H (grade 2)  Type  Lock nut  Surface Treatment  None  Shape  Round type  Material (Nut)  S45C tempered or equivalent  Material (Friction Ring)  SUS301 
    from S$7.99
    Min. 2 days
  9. Nut (Stainless Steel)
    Hikari Seiki Nut (Stainless Steel)
    For adapters, removal sleeves and shafts.
    Type  Lock nut  Shape  Round type  Material  Stainless steel 
    from S$9.99
    Min. 2 days
  10. Hard Lock Bearing Nut
    HARDLOCK Industry Hard Lock Bearing Nut
    A lock nut for bearings that is not affected by vibration caused by high-speed rotation or impact caused by forward / reverse rotation. It does not require shaft keyway processing and toothed washers and is a substitute. Loosening prevention for bearings such as high-speed rotation and forward / ... Read More
    Strength Classification  Class4  Type  Lock nut  Surface Treatment  Manganese phosphate treatment  Shape  Round type 
    Rating:
    100%
    from S$9.69
    Min. 2 days
  11. Roller bearing washers (stainless steel)
    Yokota Kikou Roller bearing washers (stainless steel)
    RoHS directive (corresponding to 10 substances) 
    Rating:
    100%
    from S$7.49
    Min. 2 days
  12. Locking nut (Rolled steel for general machine structure)
    Everon Locking nut (Rolled steel for general machine structure)
    Prevents screws from loosening due to vibration. Same as the bearing nut, no chrysanthemum washer is required. For tightening bearings, etc.
    Type  Lock nut  Shape  Round type 
    Rating:
    80%
    from S$3.99
    Min. 2 days
  13. Adapter nut
    FUJI SEIMITSU Adapter nut
    Material  Steel 
    Rating:
    100%
    from S$2.59
    Min. 2 days
  14. Rolling Bearing Nut
    KSM (Minamiguchi Bearing Mfg.) Rolling Bearing Nut
    Rating:
    80%
    from S$2.59
    Min. 2 days
  15. Lock Nut for Bearing
    HARDLOCK Industry Lock Nut for Bearing
    HLB never loosens. The lock energy contained in the loosening prevention nut for bearings (hard lock bearing nut), which was born from the principle of hard lock, is completely unaffected by external shocks, vibrations, etc., and maintains permanent stability. Of course, it has cleared the experi... Read More
    Type  Lock nut  Shape  Round type 
    from S$13.99
    Min. 2 days
  16. Precision Lock Nut MR Series
    Nikki Precision Lock Nut MR Series
    The set screw is perpendicular to the axial direction and is divided into 3 parts (120 degree equal distribution). A high-precision lock nut with a polished finish that has a runout accuracy of 3 microns or less in the screw direction. Therefore, by tightening the set screw evenly from three dire... Read More
    Hardness  HRC28-32  Accuracy  ISO 4H  Type  Lock nut  Surface Treatment  None  Shape  Round type  Material (Nut)  SCM440 
    from S$47.99
    Min. 2 days
  17. Nut for rolling bearing (stainless steel)
    Yokota Kikou Nut for rolling bearing (stainless steel)
    RoHS directive (corresponding to 10 substances) 
    from S$29.99
    Min. 2 days
  18. Roller bearing washers
    KSM (Minamiguchi Bearing Mfg.) Roller bearing washers
    from S$0.62
    Min. 2 days
  19. Adapter Washer
    FUJI SEIMITSU Adapter Washer
    from S$0.57
    Min. 2 days
  20. Fine U-Nut SUS
    FUJI SEIMITSU Fine U-Nut SUS
    Labor saving without the need for key groove processing on the shaft.
    Screw accuracy (JIS)  JIS6H (grade 2)  Type  Lock nut  Surface Treatment  None  Shape  Round type  Material (Friction Ring)  SUS301  Material (Nut)  SUS304 or equivalent 
    from S$29.99
    Min. 2 days
  21. Pita nut (carbon steel for machine structure)
    Everon Pita nut (carbon steel for machine structure)
    Prevents screws from loosening due to vibration. Same as the bearing nut, no chrysanthemum washer is required. For tightening bearings, etc.
    Type  Lock nut  Shape  Round type 
    Rating:
    100%
    from S$6.99
    Min. 2 days
  22. Precision Lock Nut KZM
    DURI Precision Lock Nut KZM
    3 place set Screws (2 places for M17 and below) are fixed from the circumferential direction Hook spanner groove 4 places Precision spindles for machine tools, ball screw support bearings, precision spindles, precision measuring instruments, etc.
    Squareness (mm)  0.002~0.007  RoHS directive (corresponding to 10 substances)  Surface Treatment  Black oxide film  Hardness  HRC22-28  Screws  ISO4H grade  Material  S45C 
    from S$29.99
    Min. 6 days
  23. Nut for Roller Bearing (Left Thread)
    KSM (Minamiguchi Bearing Mfg.) Nut for Roller Bearing (Left Thread)
    Rating:
    100%
    from S$3.49
    Min. 7 days
  24. Fine U nut
    ESCO Fine U nut
    Loosening prevention nut for bearings.
    Material  SUS301 
    from S$7.49
    Min. 4 days
  25. Adapter for bearing
    KSM (Minamiguchi Bearing Mfg.) Adapter for bearing
    from S$10.99
    Min. 4 days
  26. Precision lock nut MF series
    Nikki Precision lock nut MF series
    The set screw is 30 degrees with respect to the axial direction, and it is divided into 3 parts (120 degrees equal distribution). A high-precision lock nut with a polished finish that has a runout accuracy of 3 microns or less in the screw direction. Therefore, by tightening the set screw evenly ... Read More
    Hardness  HRC28-32  Accuracy  ISO 4H  Type  Lock nut  Surface Treatment  None  Shape  Round type  Material (Nut)  SCM440 
    Rating:
    80%
    from S$53.99
    Min. 2 days
  27. Removal sleeve
    Yokota Kikou Removal sleeve
    Type  Removal sleeve 
    from S$44.99
    Min. 4 days
  28. TWIN FU-NUT
    FUJI SEIMITSU TWIN FU-NUT
    TWIN FU-NUT is an epoch-making bearing nut that pursues "screw accuracy", "surface runout accuracy" and "loosening prevention performance" as a precision lock nut. The screw accuracy is 4H (ISO standard). High accuracy against runout of screws and seat surface. Excel... Read More
    from S$33.99
    Min. 2 days
  29. Precision lock nut MKR series
    Nikki Precision lock nut MKR series
    By making a slit in the nut itself and tightening the cap bolt with an even torque, the threaded part of the shaft and the threaded part of the nut hit the entire surface, so it can be locked with a large force. A high-precision nut with a contact surface runout accuracy of 5 microns or less with... Read More
    Hardness  HRC28-32  Accuracy  ISO 4H  Type  Lock nut  Surface Treatment  None  Shape  Round type  Material (Nut)  SCM440 
    from S$63.99
    Min. 3 days
  30. Nut for rolling bearing (SUS)
    KSM (Minamiguchi Bearing Mfg.) Nut for rolling bearing (SUS)
    from S$3.49
    Min. 7 days
  31. EVN Locknut EPT (Squareness: 5/1000)
    Everon EVN Locknut EPT (Squareness: 5/1000)
    The squareness is 5/1000. Loosening prevention nut for tightening bearings of machine tool spindles and ball screws.
    Hardness  HRC22~26  Accuracy  ISO 5H  Type  Lock nut  Shape  Round type 
    from S$38.99
    Min. 3 days
  32. EVN Pita nut SUS
    Everon EVN Pita nut SUS
    Prevents screws from loosening due to vibration. Same as the bearing nut, no chrysanthemum washer is required. For tightening bearings, etc.
    Type  Lock nut  Shape  Round type  Material  Stainless steel (SUS304) 
    from S$26.99
    Min. 12 days
  33. Bearing Washer
    NTN Bearing Washer
    Used to prevent the nut from rotating.
    from S$0.43
    Min. 2 days
  34. Bearing Nut
    NTN Bearing Nut
    Used for adapters and axes.
    from S$2.09
    Min. 2 days
  35. Bearing nut (left-hand thread (iron / fabric)
    No Brand Bearing nut (left-hand thread (iron / fabric)
    Surface Treatment  Fabric (or standard)  Material  Iron (or standard) 
    from S$11.99
    Min. 4 days
  36. EVN Locknut EPT (Squareness: 2/1000)
    Everon EVN Locknut EPT (Squareness: 2/1000)
    The squareness is 2/1000. Loosening prevention nut for tightening bearings of machine tool spindles and ball screws.
    Hardness  HRC22~26  Accuracy  ISO 5H  Type  Lock nut  Shape  Round type 
    Discontinued
  37. Bearing nut (left-hand thread (iron / material)
    Osaka Spirit Bearing nut (left-hand thread (iron / material)
    Surface Treatment  Fabric (or standard)  Material  Iron (or standard) 
    Discontinued
  38. Adapter, nut, washer, snap ring
    NTN Adapter, nut, washer, snap ring
    Discontinued
  39. FUN tool set (iron / fabric)
    Osaka Spirit FUN tool set (iron / fabric)
    Surface Treatment  Fabric (or standard)  Material  Iron (or standard)  Nominal Size of Screw  M#00-#10 
    Discontinued
  40. Fine U-Nut
    FUJI SEIMITSU Fine U-Nut
    Labor saving without the need for key groove processing on the shaft.
    End Face Squareness (maximum) (mm)  0.05  Thread Pitch  Dimension h (mm)  1.8  Individual Weight (g)  12  Dimension d1 (Φmm)  21(0~-0.5)  Dimension g (mm)  21.4(0~-0.5)  Outer diameter d2 (Φmm)  25(0~-0.5)  Dimension b (mm)  4(±0.2)  Dimension B (mm)  Dimension H (mm)  6.5(±0.5)  Screw accuracy (JIS)  JIS6H (grade 2)  Type  Lock nut  Nominal Size of Screw  M15  Surface Treatment  None  Shape  Round type  Material (Nut)  S45C tempered or equivalent  Material (Friction Ring)  SUS301 
    Discontinued
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