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Roller follower NAST-ZZ type (separable type, with side plates)

Roller follower NAST-ZZ type (separable type, with side plates)
  • Volume Discount

THK

THK

- Roller Follower NAST-ZZ Model (Separable Type, With Side Plate) from THK.
- The roller outer diameter can be selected from 19 mm to 90 mm.
- The roller inner diameter can be selected from 6 mm to 50 mm.
- The roller width can be selected from 13.8 mm to 25.8 mm.
- The allowable rotational speed of cam follower can be selectable up to 20000 RPM.
- Operating temperature for seal is 80℃ or less.

(i)Caution

  • Some of the items are scheduled to be discontinued as of end of March in 2023. The manufacturer keep the items produced but they are not available with Misumi.
    There are not the replacement items and the plan to resumption of sale. Please check the quotation and order screen for details.

PDF

Part Number

Configured Part Number is shown.

Drawing

Roller follower NAST-ZZ type (separable type, with side plate) dimensional drawing

Product Specification

Optional SpecificationsSymbol
MaterialCarbon steelNo Symbol
Stainless steelM
Rolling
Guide Method		With cageNo Symbol
SealNo sealNo Symbol
With sealUU
Outer ring shapeCylindrical outer ringNo Symbol
Spherical outer ringR

Specifications Table

Part numberMain dimensionsStandard rated loadTrack Load CapacityRotational Speed Limit
*
(min-1)		Weight
g
Inner diameter
dia		Outer diameter
D		BCae1e2Oil Inlet
d1		C
kN		C0
kN		Cylindrical outer ring
kN		Spherical outer ring
kN
NAST 6ZZ6191413.8142.50.81.54.124.553.531.3720,00024.5
NAST 8ZZ8241413.817.52.50.81.55.685.894.511.8617,00039
NAST 10ZZ10301615.823.52.50.82.09.79.676.862.4515,00065
NAST 12ZZ12321615.825.52.50.82.010.410.97.352.7413,00075
NAST 15ZZ15351615.8292.50.82.012.314.38.043.1410,00083
NAST 17ZZ17402019.832.5312.017.420.911.83.729,500135
NAST 20ZZ20472019.838312.519.224.513.84.618,500195
NAST 25ZZ25522019.843312.520.728.415.35.297,000225
NAST 30ZZ30622524.850.541.23.030.345.422.16.665,500400
NAST 35ZZ35722524.853.541.23.032.250.625.78.135,000550
NAST 40ZZ40802625.861.541.23.035.761.630.39.314,000710
** NAST 45ZZ45852625.866.541.23.037.166.431.110.14,000760
NAST 50ZZ50902625.87641.23.038.771.834113,500830

Note 1) **: Only carbon steel is compatible with the NAST45ZZ model.
Note 2) * indicates models without seals, compatible with grease lubrication. For oil lubrication, up to 130% of this value is permissible; for models with seals, up to 70% of this value is permissible.

Product Feature Details

Roller follower NAST-ZZ type (separable type, with side plate) Figure 1: Structure of roller follower NAST-ZZUU type

Figure 1: Structure of the roller follower NAST-ZZUU type

Structure and Features

The roller follower is a compact and highly rigid bearing with a built-in needle bearing, used as a cam follower or as a guide roller for linear motion.
The outer ring is designed to be thick-walled so that it can withstand impact loads, as it rotates while being in direct contact with the mating surface.
In addition, precision cage-equipped needle rollers are built into the inside of the outer ring, which prevents skewing, provides excellent rotating performance, and allows for reliable operation even at high speeds.
Roller followers are available in both separable types, where the inner and outer rings can be separated, and non-separable types, where they cannot be separated.
The outer diameter of the outer ring is available in both spherical and cylindrical shapes. The spherical outer ring can absorb misalignment during installation with ease and helps to reduce uneven loads.
They are widely used in applications such as cam mechanisms of automatic machines and dedicated machines, various transport devices, conveyors, bookbinding machines, tool changers for machining centers, pallet changers, automatic painting machines, and slide-out forks in automated warehouses.

Selection Support Information

Example of Part Number Structure

Roller follower NAST-ZZ type (separable type, with side plate) Example of part number configuration

Cautions and Prohibitions

Handling

(1) Do not disassemble each part. It may cause loss of function.
(2) Do not drop or hit the roller follower. It may cause injury or damage.
In addition, please note that when shock was applied, the product may lose its function even though there is no visible damage to the external appearance.
(3) When handling the product, wear protective gloves, safety shoes, and the like as necessary to ensure safety.

Precautions for use

(1) Avoid continuous use at temperatures above 80°C. If the temperature exceeds this level, resin and rubber parts may be deformed or damaged.
(2) Be careful to prevent contaminants such as cutting chips or coolant from entering. Otherwise, it may cause damage.
(3) If cutting chip or other contaminant adheres, please clean it and then reapply lubricant.
(4) Roller followers can bear radial load, so please avoid using them in a way that involves thrust load.
(5) In cases of slight oscillation, it is difficult for an oil film to form on the contact surfaces between the rolling element and the rolling surface, which may cause fretting. Please use grease with excellent fretting resistance. In addition, it is recommended to perform a rotating operation of about one full turn periodically to form an oil film on the rolling surface and rolling element.
(6) If the rigidity and accuracy of the mounting components are insufficient, the load on the bearing will be locally concentrated, and the bearing performance will be significantly reduced. Therefore, please thoroughly consider the rigidity and accuracy of the housing and base, as well as the strength of the fixing bolts.

Lubrication

(1) Some types of roller follower are not filled with grease depending on the model number, so please check the digital catalog carefully and lubricate the ones not filled with grease before use. Standard grease is No. 2 lithium soap based grease.
(2) Avoid mixing different lubricants, and be sure to replenish lubricant as needed during use.
Even if the thickener is the same type of grease, differences in additives and other components may have adverse effects on each other.
(3) Please also apply lubricant between the roller follower and the mating rolling surface before use.
(4) When used in locations subject to constant vibration, clean rooms, vacuum, or special environments such as low or high temperatures, please use grease suitable for the specifications and environment.
(5) The consistency of the grease changes depending on the temperature. Please note that changes in consistency will also affect the sliding resistance of the roller follower.
(6) After lubrication, the sliding resistance of the roller follower may increase due to the mixing resistance of the grease. Be sure to perform a break-in operation and allow the grease to fully blend in before operating the machine.
(7) Even with seals, excess grease may splatter around during initial use or immediately after re-lubrication, so please wipe it off as needed before use.
(8) The properties of grease deteriorate and its lubrication performance declines over time, so it is necessary to inspect and replenish the grease according to usage frequency.
(9) Lubrication intervals vary depending on usage conditions and operating environment. Please determine the final lubrication interval and amount based on actual machine operation.

Storage

Please store the roller follower indoors, in MISUMI's packaging and shipping configuration, avoiding high temperatures, low temperatures, and high humidity.
For products stored for a long period, the internal lubricant may have deteriorated over time, so please replenish the lubricant before use.

Disposal

Please dispose of the product appropriately as industrial waste.

30
45
60
  1. 1
Part Number
NAST6MZZ
NAST6MZZR
NAST6ZZUUR
NAST8MZZ
NAST10MZZ
NAST10MZZR
NAST12MZZR
NAST12MZZUU
NAST12ZZR
NAST15MZZ
NAST15ZZR
NAST20MZZR
NAST20ZZR
NAST25MZZR
NAST25MZZUUR
NAST25ZZR
NAST30MZZR
NAST30MZZUUR
NAST40ZZ
NAST40ZZUUR
NAST45ZZUU
NAST50ZZUUR
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSOuter Diameter D
(mm) 		Width C
(mm) 		Roller Type Roller Follower Inner Dia. D
(mm) 		Material Basic Load Rating Dynamic Rating
(kN) 		Basic Load Rating Static Rating
(kN) 		Allowable Rotational Speed
(rpm) 		Sealing Structure Track Load Capacity
(kN)

MYR 141.28

1 Piece(s)Available 74 Day(s) or more -1913.8Cylindrical Outer Ring6Stainless Steel4.124.5520000With Seal3.53

MYR 173.81

1 Piece(s)Available 74 Day(s) or more -1913.8Spherical Outer Ring6Stainless Steel4.124.5520000With Seal1.37

MYR 82.02

1 Piece(s) 4 Day(s) or more 101913.8Spherical Outer Ring6Carbon Steel4.124.5520000With Seal1.37

MYR 148.70

1 Piece(s)Available 12 Day(s) or more -2413.8Cylindrical Outer Ring8Stainless Steel5.685.8917000With Seal4.51

MYR 118.06

1 Piece(s)Available 12 Day(s) or more -3015.8Cylindrical Outer Ring10Stainless Steel9.79.6715000With Seal6.86

MYR 149.31

1 Piece(s)Available 12 Day(s) or more -3015.8Spherical Outer Ring10Stainless Steel9.79.6715000With Seal2.45

MYR 159.71

1 Piece(s)Available 43 Day(s) or more -3215.8Spherical Outer Ring12Stainless Steel10.410.913000With Seal2.74

MYR 190.99

1 Piece(s)Available 12 Day(s) or more -3215.8Cylindrical Outer Ring12Stainless Steel10.410.913000With Seal7.35

MYR 71.78

1 Piece(s)Available 11 Day(s) or more 103215.8Spherical Outer Ring12Carbon Steel10.410.913000With Seal2.74

MYR 177.09

1 Piece(s)Available 12 Day(s) or more -3515.8Cylindrical Outer Ring15Stainless Steel12.314.310000With Seal8.04

MYR 84.28

1 Piece(s) 5 Day(s) or more -3515.8Spherical Outer Ring15Carbon Steel12.314.310000With Seal3.14

MYR 263.92

1 Piece(s)Available 43 Day(s) or more -4719.8Spherical Outer Ring20Stainless Steel19.224.58500With Seal4.61

MYR 97.81

1 Piece(s) 4 Day(s) or more 104719.8Spherical Outer Ring20Carbon Steel19.224.58500With Seal4.61

MYR 298.64

1 Piece(s)Available 43 Day(s) or more -5219.8Spherical Outer Ring25Stainless Steel20.728.47000With Seal5.29

MYR 402.81

1 Piece(s)Available 12 Day(s) or more -5219.8Spherical Outer Ring25Stainless Steel20.728.47000With Seal5.29

MYR 109.24

1 Piece(s) 5 Day(s) or more -5219.8Spherical Outer Ring25Carbon Steel20.728.47000With Seal5.29

MYR 329.88

1 Piece(s)Available 43 Day(s) or more -6224.8Spherical Outer Ring30Stainless Steel30.345.45500With Seal6.66

MYR 441.01

1 Piece(s)Available 43 Day(s) or more -6224.8Spherical Outer Ring30Stainless Steel30.345.45500With Seal6.66

MYR 125.32

1 Piece(s)Available 11 Day(s) or more 108025.8Cylindrical Outer Ring40Carbon Steel35.761.14000No Seal30.3

MYR 212.14

1 Piece(s) 5 Day(s) or more -8025.8Spherical Outer Ring40Carbon Steel35.761.14000With Seal9.31

MYR 415.48

1 Piece(s)Available 74 Day(s) or more -8525.8Cylindrical Outer Ring45Carbon Steel37.166.44000With Seal31.1

MYR 237.89

1 Piece(s) 12 Day(s) or more -9025.8Spherical Outer Ring50Carbon Steel38.771.83500With Seal11

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  1. 1
 

Basic Information

Product Category Roller Follower Size Standard Metric Roller Follower Type Separate Type
Roller Lining No Axis No Rolling Guide Method With Gage
Inner Ring Presence Dedicated Grease Fitting Included NA

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Specification/Dimensions

  • Outer Diameter D(mm)

    • 19
    • 24
    • 30
    • 32
    • 35
    • 47
    • 52
    • 62
    • 80
    • 85
    • 90

    Clear

  • Width C(mm)

    • 13.8
    • 15.8
    • 19.8
    • 24.8
    • 25.8

    Clear

  • Roller Type

    • Spherical Outer Ring
    • Cylindrical Outer Ring

    Clear

  • Roller Follower Inner Dia. D(mm)

    • 6
    • 8
    • 10
    • 12
    • 15
    • 20
    • 25
    • 30
    • 40
    • 45
    • 50

    Clear

  • Material

    • Carbon Steel
    • Stainless Steel

    Clear

  • Allowable Rotational Speed(rpm)

    • 3500
    • 4000
    • 5500
    • 7000
    • 8500
    • 10000
    • 13000
    • 15000
    • 17000
    • 20000

    Clear

  • Sealing Structure

    • No Seal
    • With Seal

    Clear

  • Track Load Capacity(kN)

    • 1.37
    • 2.45
    • 2.74
    • 3.14
    • 3.53
    • 4.51
    • 4.61
    • 5.29
    • 6.66
    • 6.86
    • 7.35
    • 8.04
    • 9.31
    • 11
    • 30.3
    • 31.1

    Clear

  • type

    • NAST-ZZ
    • NAST-ZZR

    Clear

  • CAD

    • 2D
    • 3D

    Clear

Days to Ship

    • All
    • 4 Day(s) or Less
    • 5 Day(s) or Less
    • 11 Day(s) or Less
    • 12 Day(s) or Less
    • 43 Day(s) or Less
    • 74 Day(s) or Less

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