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Solid Type Needle Roller Bearing

Solid Type Needle Roller Bearing
  • On Sale Till 31/03/2025

NTN

NTN

A solid needle roller bearing.
[Features]
·The solid (machined) outer race enables high rigidity.
·The bearing accuracy can also be increased, making it ideal for applications that require high speed, high load, and high rotational accuracy.
·In addition to the type with inner race, the type without inner race is also available in which the shaft can be used directly as a raceway instead of inner race.
[Application]
・ Heavy load, high speed, gearbox for automobiles, etc.
・ Steel equipment, mining / construction machinery, machine tools.

(i)Caution

  • The product images are representative only. Specifications may differ for each part number, including shape and color.
  • Only a part of the lineup is available at MISUMI. Please use the filtering criteria to confirm the details.

PDF

Japanese Only

Part Number

Configured Part Number is shown.

Product Specifications

TypeCompatible shaft diameter (mm) Note
RNA49 type⌀7 to ⌀12Since the suffix T2 uses a polyamide resin molding retainer, the allowable temperature should be 120°C, and 100°C or less for continuous use.
The dimension series is in accordance with JIS B 1512 or ISO 15.
RNA49··R type
RNA49··L type
RNA49··LL type		RNA49··R type
⌀14 to ⌀490
With seal
RNA49··L type
RNA49··LL type
⌀14 to ⌀58		The seal type (suffix code: L or LL) that has a built-in synthetic rubber seal on one or both sides is filled with lithium soap-based grease.
For the seal type, the operating temperature should be -20 to 120°C, or below 100°C for continuous run, in order to prevent deterioration of the seal and grease.
The dimension series is in accordance with JIS B 1512 or ISO 15.
RNA59 type ⌀20 to ⌀160The dimension series is in accordance with JIS B 1512 or ISO 15.
NA59 type⌀15 to ⌀140
NK type
NKS type		NK
⌀5 to ⌀12 		The suffix code T2 indicates that a polyamide resin molded retainer is used and the allowable temperature is 120°C.
For continuous run, maintain 100°C or below.
NKS
⌀8 to ⌀40
NKS type⌀43 to ⌀110

Product features details

The solid needle roller bearing is ideal for applications that require high speed, high load, and high rotational accuracy.

Solid needle roller bearing, detailed product features

RNA49 type

Solid needle roller bearing, detailed product features

RNA49··R type
RNA49··L type
RNA49··LL type

Solid needle roller bearing, detailed product features

RNA59 type

Solid needle roller bearing, detailed product features

NA59 type

Solid needle roller bearing, detailed product features

NK type
NKS type

Solid needle roller bearing, detailed product features

NKS type

Features of solid needle roller bearings

The dimensional accuracy, shape accuracy and rotational accuracy of solid needle roller bearings are specified in JIS B 1514 (Accuracy of Roller Bearings).
Products with precision class JIS0 are manufactured as standard, however, products with class JIS6, 5, and 4 are also available for applications that require higher rotational accuracy.
The dimensional tolerance of the roller inscribed circle diameter (Fw) of the no-inner race NK, RNA, NKS, and MR types falls within the ISO tolerance class F6. For reference when selecting the shaft diameter dimensions and radial clearance.

 

The solid needle roller bearing has the structure in which the needle rollers and retainer are assembled to the solid (machined) outer race, and the outer race and needle rollers are kept together by the flange or side walls on both sides of the outer race. The solid (machined) outer race ensures
high rigidity and can increase the bearing accuracy, therefore, it is ideal for applications that require high speed, high load, and high rotational accuracy.
In addition to the type with inner race, the type without inner race is also available in which the shaft can be used directly as a raceway instead of inner race.

 

The allowable rotational speed is the rotational speed that is allowed to achieve under the following conditions. For the allowable rotational speed under usage conditions that are different from the following, please refer to the "Precision Roller Bearing Catalog" or contact the manufacturer.
·Use under conditions where an appropriate amount of grease recommended by NTN is sealed, a sufficient break-in operation is performed, and generated heat is eliminated by such as cooling the outer housing.
・ Use with constant pressure preload.

30
45
60
  1. 1
Part Number
RNA69/32R
RNA6907R
RNA6908R
RNA6909R
RNA6910R
RNA6911R
RNA6912R
RNA6913R
RNA6915R
RNA6916R
RNA6917R
RNA6918R
RNAO-14X22X20ZW
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSInner Dia. d
(Ø) 		Outer Dia. D
(Ø) 		Width B
(mm) 		Precision (JIS) Number of Raceway Ring Rows Size Standards Retainer Type Basic Load Rating: Dynamic Load
(N) 		Sealing Structure Lubricant Internal Clearance Symbol Specifications Revolution Frequency
(rpm) 		Series

404,259 IDR

1 Piece(s) 14 Day(s) or more -405236Grade 0Double RowMetric System-47500Brim Type---6500No Inner Wheel

413,100 IDR

1 Piece(s) 15 Day(s) or more -425536Grade 0Double RowMetric System-49000Brim Type---6500No Inner Wheel

506,228 IDR

1 Piece(s) 15 Day(s) or more -486240Grade 0Double RowMetric System-67000Brim Type---5500No Inner Wheel

512,100 IDR

1 Piece(s) 8 Day(s) or more -526840Grade 0Double RowMetric System-70500Brim Type---5000No Inner Wheel

602,100 IDR

1 Piece(s) 15 Day(s) or more -587240Grade 0Double RowMetric System-74000Brim Type---4700No Inner Wheel

632,093 IDR

1 Piece(s) 15 Day(s) or more -638045Grade 0Double RowMetric System-94000Brim Type---4300No Inner Wheel

872,100 IDR

1 Piece(s) 15 Day(s) or more -688545Grade 0Double RowMetric System-95500Brim Type---4000No Inner Wheel

1,071,000 IDR

1 Piece(s) 14 Day(s) or more -729045Grade 0Double RowMetric System-97000Brim Type---3700No Inner Wheel

1,431,000 IDR

1 Piece(s) 15 Day(s) or more -8510554Grade 0Double RowMetric System-132000Brim Type---3100No Inner Wheel

1,611,000 IDR

1 Piece(s) 14 Day(s) or more -9011054Grade 0Double RowMetric System-137000Brim Type---2900No Inner Wheel

1,875,063 IDR

1 Piece(s) 14 Day(s) or more -10012063Grade 0Double RowMetric System-169000Brim Type---2700No Inner Wheel

1,945,437 IDR

1 Piece(s) 14 Day(s) or more -10512563Grade 0Double RowMetric System-175000Brim Type---2500No Inner Wheel

143,550 IDR

1 Piece(s) 11 Day(s) or more 10142220Grade 0Double RowMetric System-11800----16000No Inner Wheel/Separated Type

Loading...

  1. 1
 

Basic Information

Raceway Ring Shape Needle Roller Load Direction Radial Outer Ring With Outer Ring
Inner/Outer Ring Material Steel Specifications/Environment Standard Rolling Element Material Steel
Outer Ring Type Flat

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13 Part Numbers

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Specification/Dimensions

  • Inner Dia. d(Ø)

    • 5
    • 6
    • 7
    • 8
    • 9
    • 10
    • 12
    • 14
    • 15
    • 16
    • 17
    • 18
    • 19
    • 20
    • 21
    • 22
    • 24
    • 25
    • 26
    • 28
    • 29
    • 30
    • 32
    • 34.925(1 3/8)
    • 35
    • 37
    • 38
    • 40
    • 42
    • 43
    • 45
    • 47
    • 48
    • 50
    • 52
    • 55
    • 58
    • 60
    • 63
    • 63.500(2 1/2)
    • 65
    • 68
    • 70
    • 72
    • 73
    • 75
    • 80
    • 85
    • 90
    • 95
    • 100
    • 105
    • 110
    • 115
    • 120
    • 130
    • 135
    • 145
    • 150
    • 155
    • 160
    • 165
    • 175
    • 195
    • 205
    • 245
    • 265
    • 285
    • 290
    • 330

    Clear

  • Outer Dia. D(Ø)

    • 10
    • 12
    • 13
    • 14
    • 15
    • 16
    • 17
    • 19
    • 20
    • 22
    • 23
    • 24
    • 25
    • 26
    • 27
    • 28
    • 29
    • 30
    • 32
    • 33
    • 34
    • 37
    • 38
    • 39
    • 40
    • 42
    • 45
    • 47
    • 47.625(1 7/8)
    • 48
    • 50
    • 52
    • 53
    • 55
    • 57
    • 58
    • 62
    • 68
    • 72
    • 78
    • 80
    • 82
    • 82.550(3 1/4)
    • 85
    • 90
    • 92
    • 95
    • 100
    • 105
    • 110
    • 115
    • 120
    • 125
    • 130
    • 140
    • 150
    • 165
    • 175
    • 180
    • 190
    • 200
    • 225
    • 250
    • 300
    • 320
    • 360
    • 380

    Clear

  • Width B(mm)

    • 8
    • 10
    • 11
    • 12
    • 13
    • 16
    • 17
    • 18
    • 20
    • 22
    • 23
    • 25
    • 25.40(1)
    • 26
    • 27
    • 30
    • 32
    • 34
    • 35
    • 36
    • 40
    • 44.45(1 3/4)
    • 45
    • 46
    • 50
    • 54
    • 60
    • 63
    • 67
    • 69
    • 80
    • 100

    Clear

  • Precision (JIS)

    • Grade 0
    • Grade 4

    Clear

  • Size Standards

    • Metric System
    • Inch Base

    Clear

  • Retainer Type

    • Resin Forming

    Clear

  • Sealing Structure

    • Brim Type
    • Double-sided Seal Type
    • Double-sided seal type
    • One-sided Seal Type

    Clear

  • Lubricant

    • 3AS: Albania
    • LP03: Heat-hardening grease

    Clear

  • Internal Clearance Symbol

    • CN (Normal Clearance)

    Clear

  • Specifications

    • Clearance adjusting shape

    Clear

  • Revolution Frequency(rpm)

    • 800
    • 950
    • 1000
    • 1100
    • 1300
    • 1400
    • 1500
    • 1600
    • 1700
    • 1800
    • 1900
    • 2000
    • 2100
    • 2200
    • 2300
    • 2400
    • 2500
    • 2700
    • 2800
    • 2900
    • 3100
    • 3300
    • 3400
    • 3600
    • 3700
    • 3800
    • 4000
    • 4300
    • 4400
    • 4700
    • 5000
    • 5500
    • 6000
    • 6500
    • 7000
    • 7500
    • 8500
    • 9000
    • 9500
    • 10000
    • 11000
    • 12000
    • 13000
    • 14000
    • 15000
    • 16000
    • 17000
    • 19000
    • 20000
    • 21000
    • 23000
    • 24000
    • 25000
    • 27000

    Clear

  • Series

    • No Inner Wheel
    • No Inner Wheel/Separated Type
    • With Inner Wheel

    Clear

  • type

    • 8Q
    • MR
    • NA
    • NK
    • NKS
    • RNA
    • RNAO

    Clear

  • Number of Raceway Ring Rows

    • Single Row
    • Double Row

    Clear

  • CAD

    • 2D
    • 3D

    Clear

Days to Ship

    • All
    • Same day
    • 8 Day(s) or Less
    • 11 Day(s) or Less
    • 12 Day(s) or Less
    • 14 Day(s) or Less
    • 15 Day(s) or Less
    • 16 Day(s) or Less
    • 19 Day(s) or Less
    • 20 Day(s) or Less
    • 24 Day(s) or Less

    Clear

Specify Alterations

Tech Support

Factory Automation, Electronics, Tools, & MRO (Maintenance, Repair and Operations)
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8:30am - 5:30pm (Monday - Friday)
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