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Metric Spherical Plain Bearings

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Manufacturer
  1. Dunlop
  2. IKO
  3. Unbranded
Internal Diameter (mm)
  1. 4
  2. 5
  3. 6
  4. 8
  5. 10
  6. 12
  7. 14
  8. 15
  9. 16
  10. 17
  11. 18
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  14. 25
  15. 28
  16. 30
  17. 35
  18. 40
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  23. 65
  24. 70
  25. 75
  26. 80
  27. 85
  28. 90
  29. 95
  30. 100
  31. 110
  32. 115
  33. 120
  34. 130
  35. 140
  36. 150
  37. 160
  38. 180
  39. 200
  40. 220
  41. 240
  42. 260
  43. 280
  44. 300
External Diameter (mm)
  1. 12
  2. 14
  3. 16
  4. 18
  5. 19
  6. 22
  7. 26
  8. 30
  9. 32
  10. 34
  11. 35
  12. 37
  13. 38
  14. 42
  15. 46
  16. 47
  17. 50
  18. 55
  19. 56
  20. 62
  21. 66
  22. 68
  23. 72
  24. 75
  25. 80
  26. 90
  27. 100
  28. 105
  29. 110
  30. 120
  31. 130
  32. 135
  33. 140
  34. 150
  35. 160
  36. 170
  37. 180
  38. 190
  39. 200
  40. 210
  41. 220
  42. 230
  43. 260
  44. 290
  45. 320
  46. 340
  47. 370
  48. 400
  49. 430
Outer Ring Width (mm)
  1. 3
  2. 4
  3. 5
  4. 6
  5. 6.75
  6. 7
  7. 9
  8. 10
  9. 10.5
  10. 11
  11. 12
  12. 13.5
  13. 14
  14. 15
  15. 16
  16. 16.5
  17. 18
  18. 20
  19. 22
  20. 23
  21. 25
  22. 26
  23. 28
  24. 31
  25. 36
  26. 40
  27. 45
  28. 47
  29. 50
  30. 55
  31. 60
  32. 63
  33. 65
  34. 70
  35. 75
  36. 80
  37. 85
  38. 90
  39. 95
  40. 100
  41. 105
  42. 110
  43. 120
Width Through Bore (mm)
  1. 5
  2. 6
  3. 8
  4. 9
  5. 10
  6. 11
  7. 12
  8. 13
  9. 14
  10. 15
  11. 16
  12. 19
  13. 20
  14. 21
  15. 22
  16. 23
  17. 25
  18. 27
  19. 28
  20. 30
  21. 31
  22. 32
  23. 33
  24. 35
  25. 36
  26. 37
  27. 40
  28. 42
  29. 43
  30. 44
  31. 47
  32. 49
  33. 53
  34. 55
  35. 56
  36. 58
  37. 60
  38. 63
  39. 64
  40. 70
  41. 74
  42. 75
  43. 76
  44. 82
  45. 85
  46. 88
  47. 90
  48. 93
  49. 98
  50. 100
  51. 105
  52. 110
  53. 115
  54. 120
  55. 130
  56. 135
  57. 140
  58. 150
  59. 155
  60. 165
  61. 175
  62. 190
  63. 205
  64. 210
Liner Type
  1. PTFE
  2. Steel
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What are Spherical Plain Bearings?

Spherical plain bearings are self-aligning bearings designed to accommodate oscillating or rotational movement between components in machinery. They consist of an inner ring with a spherical convex outer surface and an outer ring with a matching concave inner surface, allowing for smooth movement even under misalignment or angular deviations. Their robust design makes them ideal for high-load, low-speed applications, particularly where heavy radial and/or axial loads are encountered.



Key Features:


Self-Aligning Capability: The spherical contact surfaces enable the bearing to handle misalignment between components, reducing stress on the bearing.

High Load-Bearing Capacity: Constructed to handle heavy radial and/or axial loads, making them suitable for high-stress applications.

Maintenance Options: Available in maintenance-free designs with special coatings or as lubricated types, depending on application requirements.

Corrosion and Wear Resistance: Many types are designed with corrosion-resistant coatings or wear-resistant materials, allowing reliable performance in challenging environments.

Flexible Configurations: Available in various designs, including radial, angular contact, and thrust types, to meet diverse application needs.




Benefits:


Reduces Misalignment Stress: The self-aligning feature allows the bearing to adjust to shaft misalignments, reducing component wear and tear.

Supports High Loads and Oscillation: With a design that handles both high loads and oscillatory motion, these bearings are ideal for machinery subject to heavy or fluctuating loads.

Durability in Harsh Conditions: Engineered for tough environments, many spherical plain bearings are resistant to dirt, moisture, and corrosion.

Extended Service Life: Designed to withstand demanding conditions, they offer longer service life with minimal maintenance requirements.




Applications:


Construction and Earthmoving Equipment: Ideal for excavators, loaders, and bulldozers, where components are subject to misalignment and high stress.

Agricultural Machinery: Used in tractors and other equipment where oscillatory and angular movements are common.

Industrial Machinery: Employed in heavy-duty industrial applications like hydraulic cylinders, pumps, and presses.

Railway and Automotive Applications: Common in suspension systems, steering linkages, and shock absorbers due to their load-handling capabilities.




Spherical plain bearings provide reliable and robust performance in applications requiring high load-bearing capacity and self-aligning capabilities. They excel in demanding environments with oscillating motion or misalignment, offering a durable and versatile solution for a wide range of industrial, construction, and transportation applications.

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