> >
Stand
Group: Koyo Seiko

Oil Seals & O-Rings - 119 Pages

Standard types
di 27~(35)
di (30)~(35)
Boundary dimensions, mm
Metal O.D wall
Rubber O.D wall
di
D
b
HM
HMA
HMS
HMSA
MH
MHA
MHS
MHSA
N A S F
N A S F
N A S F
N A S F
N A S F
N A S F
N A S F
N A S F
30
46 47 47
7 8 12
O
□ □
■ □
■ □
48 48 50
7 8 5
O
50 50 50
7 8 9
O
O
O
O
Օ O
■ □ □
■ □
50 50 50
10 11 12
O
o o
o
Օ O
■ □
■ □ □
52 52 52
8 10 12
□ □
55 55 56
5
12 5
O
□
62 62 62
7 8 10
□ □
32
43 43 44
7
10 9
□
45 45 45
5 7 8
□
■ □
46 47 48
8 8 6
O
o
□
48 52 52
8 5 8
Օ
o
o
Օ O
■ □
■ □ □
52 54
11 10
o
■ □
33
50 52
7 7
o o
□
34
42 44 46
5 8 8
□
□
48 50 54
8 7
11
□
35
45 47 47
5 5 7
Օ o
 o
□
■ □
48
5
Remarks
1) Seals marked Օ and ■ are always in stock.
2) Seals marked O and □ , Koyo owns molding dies for production.
3) Seal number is constructed by combination of type code and dimensional numbers (bore diameter, outside diameter and width).
Example: HMSA55729(55X72X9 mm).
4) Rubber code N represents nitrile rubber, A: acrylic rubber, S: silicone rubber, and F: fluorocarbon rubber.
(
HM (( di
HMA
HMS HMSA
-►
r
iL
nr
MH (di
di 27~(30)
MHA
MHS MHSA
Metal O.D wall
HM
HMA
HMS
HMSA
N A S F
N A S F
N A S F
N A S F
O
O
O
Օ O
O
o
O
O O Օ O
o
#
Օ O
o o
Օ
O
Օ o o
o
O O
Օ o
o
Օ o o
o
o
Boundary dimensions, mm
Rubber O.D wall
MH
MHA
MHS
MHSA
di D
b
N A S F
N A S F
N A S F
N A S F
27 40
47
8 11
28
35
5
37
6
38
7
38
8
40
5
40
7
40
8
42
8
44
8
44
11
45
6
45
8
47
8
48
5
48
7
48
8
48
11
50
6
30
37
3.
39
7
40
5
40
7
42
5
42
7
42
8
44
7
44
9
45
6
45
7
45
8
45
12
46
5
□
□
□
□
□
□
□
□
□ □
□
□ □ □
□
□
Oil Seals & O-Rings

  1. P. 1

  37. P. 37

     1.8 Causes of seal failures and countermeasures Table 1.8.2 Causes of seal failures and countermeasures (4) Oil leakage from seal O.D side Symptom Phenomenon...

  38. P. 38

     1.9 Seal dimensional tables (Contents) Type Page Metal O.Dwall seals d >1 7~54036Rubber O.Dwall seals > HMHMA HMS HMSAMH Standardtypeseals d >1...

  39. P. 39

     Oil seals HM HMA HMS HMSA MH MHA MHS MHSA Standard types di 6~(16) r 1 di (12)~(16) Metal O.D wall ...

  40. P. 40

     Standard types di (16)~(20) di (18)~(20) Boundary dimensions, mm Metal O.D wall Rubber O.D wall di D b HM HMA HMS ...

  41. P. 41

     Standard types di (20)~26 di (24)~26 Boundary dimensions, mm Metal O.D wall Rubber O.D wall di D b HM HMA HMS HMSA...

  42. P. 42

  43. P. 43

     Standard types dx (38)~(45) Boundary dimensions, mm Metal O.D wall Rubber O.D wall di D b HM HMA HMS HMSA MH MHA...

  44. P. 44

     Standard types di (50)~(60) Boundary dimensions, mm Metal O.D wall Rubber O.D wall di D b HM HMA HMS HMSA MH MHA...

  45. P. 45

     Standard types di (70)~(95) Boundary dimensions, mm Metal O.D wall Rubber O.D wall di D b HM HMA HMS HMSA MH MHA...

  46. P. 46

     Standard types di (95)~(200) di 135~(200) Boundary dimensions, mm Metal O.D wall Rubber O.D wall di D b HM HMA HMS ...

  47. P. 47

     Standard types di (200)~540 di 280~540 Boundary dimensions, mm Metal O.D wall Rubber O.D wall di D b HM HMA HMS HMSA...

  48. P. 48

  49. P. 49

  50. P. 50

  60. P. 60

  70. P. 70

  80. P. 80

  90. P. 90

  100. P. 100
Contact
Share
Text version

All KOYO catalogues and technical brochures

  1. Ball & Roller Bearings
    Ball & Roller Bearings

    80 Pages

    En
  2. Ceramic&Exsev bearing
    Ceramic&Exsev bearing

    87 Pages

    En
  3. OIL SEALS & O-RINGS
    OIL SEALS & O-RINGS

    129 Pages

    En
  4. Bearings and Related Products for Continuous Casting Machines
    Bearings and Related Products for Continuous Casting Machines

    11 Pages

    En
  5. TAPERED ROLLER BEARINGS
    TAPERED ROLLER BEARINGS

    83 Pages

    En
  6. NEEDLE ROLLER BEARINGS
    NEEDLE ROLLER BEARINGS

    158 Pages

    En
  7. LARGE SIZE BALL & ROLLER BEARINGS
    LARGE SIZE BALL & ROLLER BEARINGS

    245 Pages

    En
  8. Wind Turbine Generator Products
    Wind Turbine Generator Products

    8 Pages

    En
  9. Ball Bearing Units
    Ball Bearing Units

    194 Pages

    En
  10. High-performance Product Series for Steelmaking and Rolling Equipment
    High-performance Product Series for Steelmaking and Rolling Equipment

    4 Pages

    En
  11. Precision Ball & Roller Bearings for Machine Tools
    Precision Ball & Roller Bearings for Machine Tools

    183 Pages

    En
  12. Slim series deep groove ball bearings
    Slim series deep groove ball bearings

    5 Pages

    En
  13. Angular Contact Ball Bearings for Machining Tools
    Angular Contact Ball Bearings for Machining Tools

    20 Pages

    En
  14. Miniature and Extra-Small Ball Bearings
    Miniature and Extra-Small Ball Bearings

    66 Pages

    En
  15. CERAMIC & EXSEV BEARINGS
    CERAMIC & EXSEV BEARINGS

    70 Pages

    En

Archived catalogues

  1. Bearings for Continuous Casting Machines
    Bearings for Continuous Casting Machines

    12 Pages

    En
  2. Roll Neck Bearings
    Roll Neck Bearings

    8 Pages

    En
  3. Multi-roll Mill Backing Shaft Bearings
    Multi-roll Mill Backing Shaft Bearings

    10 Pages

    En
  4. Sprag Clutches
    Sprag Clutches

    19 Pages

    En
  5. Miniature One Way Clutch
    Miniature One Way Clutch

    6 Pages

    En
  6. Miniature Bearings
    Miniature Bearings

    71 Pages

    En
  7. High Performance Bearings
    High Performance Bearings

    6 Pages

    En
  8. Exsev Bearings
    Exsev Bearings

    19 Pages

    En
  9. Ceramic Bearings
    Ceramic Bearings

    6 Pages

    En
  10. Ball & Roller Bearings
    Ball & Roller Bearings

    200 Pages

    En