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    PK Series Track Rollers-2.jpg
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    PK Series Track Rollers

    PK Series Track Rollers are heavy-duty roller bearings widely used in linear motion systems, originally standardized by NADELLA. They adopt a double-row roller structure with strong radial load capacity, impact resistance and anti-overturning performance. Available in concentric (PK) and eccentric (PKR) versions, these track rollers are equipped with keyways, seals and high-hardness bearing steel construction, suitable for heavy machinery, automated production lines, CNC equipment and logistics conveying systems. They feature stable operation, reliable sealing and long service life under harsh industrial conditions.

    Product Models:

    PK52C     PKR 52C
    PK62C     PKR62C
    PK72C     PKR 72C
    PK90C     PKR90C
    PK110C   PKR110C




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      Product Detail
      Remark

      product detail

      PK Series Track Rollers:mm

      Designation

      Boundary Dimensions

      Dynamic Load

      (N)

      Preload Torque

      (Nm)

      Weight

      (kg)

      Concentric

      Eccentric

      De

      d₁ (1)

      d

      m

      S min.

      P

      L

      A

      B

      C

      R

      I1

      M

      SW₁

      SW₂

      k

      PK 52C

      PKR 52C

      52

      21

      M20 x1.5

      19.8

      15

      13.4

      73

      35

      41

      29

      800

      14

      28

      8

      30

      1

      42100

      80

      0.6

      PK 62C

      PKR 62C

      62

      27

      M24 x1.5

      20.8

      19

      15.4

      83

      37

      44

      29

      800

      18

      35

      10

      36

      1

      47750

      160

      0.9

      PK 72C

      PKR 72C

      72

      36

      M30 x1.5

      27

      19

      21.6

      100

      45

      55

      33

      1200

      18

      44

      12

      46

      1

      67450

      300

      1.6

      PK 90C

      PKR 90C

      90

      38

      M36 x1.5

      30

      24

      24.6

      115

      53/56(2) 

      62

      45

      1200

      23

      50

      14

      55

      1

      118000

      450

      2.8

      PK 110C

      PKR 110C

      110

      42

      M36 x1.5

      34

      33

      24.6

      135

      60/63(2)

      70

      48

      1200

      32

      56

      14

      55

      1

      185000

      450

      4.9

      Remark

      1)When the operating temperature reaches 120°C, the rollers need to use fluoro rubber seals (suffix V) to meet the operating requirements (including rollers PK 90C)

      2)Structural dimensions of stainless steel (NX) roller