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Bearing lock nuts / With toothed lock washer (JLN30)

Bearing lock nuts / With toothed lock washer JLN30

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  • Bearing lock nuts / With toothed lock washer
  • Bearing lock nuts / With toothed lock washer
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MISUMI

MISUMI

Product Details:

Manufacturer part number: JLN30

Brand: MISUMI

Price: 2.39 €

Delivery time: Same day


Technical Data:

Type: Lock Nuts

Thread Nominal M: M30x1.5

Material: [Steel] Steel


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JLN30

Back to the Category Groove Nuts/Shaft Nuts

Technical drawing - Locknuts

Bearing Lock Nuts/With Tooth Lock Washer:Related Image

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Available dimensions and tolerances can be found under the tab More information.

Basic properties (e.g., material, hardness, coating, tolerance) - Locknuts

TypeBearing NutTooth Lock Washer for Bearing
Type+SetOnlyMaterialMaterial
SteelJLNKJLNEN 1.0038 Equiv.EN 1.0330 Equiv.
Stainless SteelJLNSKJLNSNo.10~20 EN 1.4305 Equiv.
No.25~50 EN 1.4301 Equiv.		EN 1.4301 Equiv.
For further specifications please see the More information tab.

Composition of a product code - Locknuts

Part Number
+Set
JLNK10
Only
JLN25

General Information - Locknuts

Thread lock groove nut - groove nut - self-locking nut - square shaft nut with thread lock - hexagon shaft nut

 

Selection Details of - groove nut/shaft nut

- Material: stainless steel, steel

- Coatings: burnished, phosphate conversion coating

- Thread diameter (metric): M3 to M60

- Thread diameter (in inches): 0.391” to 12.562”

- Thread pitch (metric): fine thread, control thread

- Locking method: with adjusting screw, with clamping screw, with locking plate

- Drive form: grooves, hexagon, square

 

Description/Basics - groove nut/shaft nut

Groove nuts and shaft nuts are used to secure ball bearings and roller bearings to a shaft.
Using a shaft nut, a ball bearing can be clamped against a shoulder, for example on a rotary shaft. The inner ring of the bearing is thus firmly positioned on the shaft pin and the bearing is fully secured against axial displacement.

 

MISUMI offers various drive forms for shaft locknuts. The hexagon socket, which is the most common drive form for nuts in general, is also available for shaft nuts. This allows the locknut to be tightened and loosened without a complicated special tool.
The bearing lock nut with external hexagon can be secured by using either a set screw, a clamping set screw or a bearing lock nut. In the case of the locking plate, there must be a keyway in the shaft or in the shoulder of the shaft. The keyway ensures that the inner tab of the locking plate can lock into it. The outer tabs are turned over after tightening the shaft nut and thus secure the nut against loosening and at the same time against improper tightening.
In addition, there is also a bearing nut in square form. The anti-rotation lock is optionally done via an adjusting screw or a locking plate. The square serves as a drive and has a common wrench width.

 

In contrast to a shaft nut with a hexagon or square drive, a hook wrench was required to tighten nuts. The articles MISUMI offers are similar to those of DIN 981 for groove nuts and DIN 1810 for spanner wrenches.
The key is inserted with the hooks into the grooves of the shaft nut and moved clockwise or in the opposite direction. The lever rotates the thread of the nut on the thread of the shaft pin and the nut clamps or secures the bearing.

 

The size of the hook wrench is not based as usual on the width of a conventional nut. The underlying value here is the shaft diameter suitable for the nut (shaft Ø, see Table), which is referred to as number (for no., see Table) at MISUMI.
Thus, the hook wrench with the article number MFK16 is suitable for the shaft diameter 16 mm and 18 mm, which corresponds to a thread diameter of M8 or M10 respectively.

 

Another type of locking is the self-locking bearing nut. This variant of a bearing lock nut is a two-part nut. One half of the nut has an outer cone that fits into the inner cone of the second half. If the two halves of the nut are tensioned against each other, friction develops in the area of the cone, which inhibits self-loosening. This type of shaft nut is also driven by a hook wrench.
This type of bearing locking does not need a keyway compared to the locking plate, with the same number of assembly parts. As a result, the design requires less effort, which in turn reduces development costs and production costs.

 

Application Examples - Locknuts

Application example: groove nut ball bearing - rotary shaft

Application example: groove nut
(1) Ball bearing, (2) Shaft nut, (3) Rotary shaft

Application example: self-locking shaft nut - rotary shaft

Application example: self-locking shaft nut
(1) Upper part shaft nut, (2) Lower part shaft nut, (3) Rotary shaft

 



Industrial applications

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Data to be displayed
30
45
60
  1. 1
Part Number
JLN30
Part Number
Standard Unit Price
Minimum order quantityVolume Discount
Standard
Shipping Days
?
RoHSType Thread Nominal M Material

2.39 €

1 Same day

Stock

10Lock NutsM30x1.5[Steel] Steel

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  1. 1

Back to the Category Groove Nuts/Shaft Nuts

Technical drawing - Locknuts

Bearing Lock Nuts/With Tooth Lock Washer:Related Image

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Available dimensions and tolerances can be found under the tab More information.

Specification Tables - Locknuts

Part NumberBearing NutReference Mass (g)JLNKJLNSKJLNJLNS
(+Set)(Only)
TypeNo.MxPitch (Fine)D1D2BdSTper Set (+)per 1 pc. (Only)Unit Price
JLNKJLNSKJLNJLNS
+Set
(Steel)
JLNK
(Stainless Steel)
JLNSK


Only
(Steel)
JLN
(Stainless Steel)
JLNS		1010x0.751813414325.05.33.74.1    
1212x1.02217188.38.26.46.6 
1515x1.02521521412.512.71010.3
1717x1.028242415.516.312.413
2020x1.0322662821.522.81919.5  
2525x1.53832734531.436.62531.2    
3030x1.545384147.848.34041.1    
3535x1.5524484863.473.75364.3    
4040x1.5585095362.597.397.78586.5    
4545x1.565561060134.2135119121    
5050x1.570611165162.5161.5146.5147    
 
No.Tooth Lock Washer for BearingDim. of Tooth Lock Washer Mounting Groove (Reference)
d1kS1S2tVD3D4Number of TeethSlot Width aSlot Depth b
10108.5331.022113942
121210.52517
151513.5442.52821135
171715.53224
202018.53626
252523551.2423272.5
303027.549383
353532.56574415
404037.566250
454542.5695617
505047.57461
 

Basic information

Shape Round Shape Surface Treatment No Surface Treatment Screw Type Metric (Fine) Thread

This page is Bearing lock nuts / With toothed lock washer, part number JLN30.
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  • Type

    • JLN
    • JLNK
    • JLNS
    • JLNSK

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  • Type

    • Lock Nuts
    • Lock Nuts with Tooth Lock Washer

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  • Thread Nominal M

    • M10 x 0.75
    • M12x1
    • M15 x 1
    • M17x1
    • M20x1
    • M25x1.5
    • M30x1.5
    • M35 x 1.5
    • M40x1.5
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    • M50x1.5

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    • Steel
      • Steel
    • EN 1.4301 Equiv.

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Frequently Asked Questions (FAQ)

Question:

Do I need a special tool for installing a nut?
Answer:

A hook spanner is required to install the nut. It is inserted with the hook into the groove of the shaft nut and thus prevents damage when tightening.
Question:

Is the size of the locknut wrenches comparable to that of wrenches?
Answer:

The size of the hook wrenches is specified in numbers (no.) at MISUMI. The information refers to the diameter of the shaft. One number always covers two shaft diameters. For details, see the Table below of this PDF.
Question:

How can I secure the shaft nut against twisting on the shaft with a keyway?
Answer:

A bearing lock nut can be secured to a shaft by means of a locking plate. However, a shaft with a keyway is more costly than a shaft without.
Question:

Is there a way to secure the shaft nut to the shaft without a keyway?
Answer:

With the help of a self-locking locknut, the bearing can also be secured without a keyway. Alternatively, a nut with adjusting screw can be used.

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Variation of this product

Part Number
JLN17
JLN20
JLN25
JLN35
JLN40
JLN45
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountStandard
Shipping Days
?		RoHSType Thread Nominal M Material

1.88 €

1 Same day

Stock

10Lock NutsM17x1[Steel] Steel

1.88 €

1 Available Same day

Stock

10Lock NutsM20x1[Steel] Steel

2.26 €

1 Same day

Stock

10Lock NutsM25x1.5[Steel] Steel

2.77 €

1 Same day

Stock

10Lock NutsM35 x 1.5[Steel] Steel

3.15 €

1 5 Days 10Lock NutsM40x1.5[Steel] Steel

3.53 €

1 5 Days 10Lock NutsM45x1.5[Steel] Steel

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