Solid Type Needle Roller Bearing / With Outer Ring / Steel / Grade 0, Grade 4

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For this bearing, needle rollers and a retainer have been incorporated into a solid outer ring such that the outer ring and needle are not separated. Features high rigidity and bearing accuracy can be increased; ideal for applications where high speed, high load and high rotational accuracy are required.

[Features]
· Solid needle roller bearing dimensional accuracy, conformational accuracy and rotation accuracy are specified in JIS B 1514 (rolling bearing precision).
· Products of precision grade JIS0, are manufactured by default but JIS6, JIS5, and JIS4 class products can also be provided for applications that require higher rotational precision; please inquire with NTN.
· The dimensional tolerance of the roller's inscribed circle diameter for the inner ring-less RNA, NKS and MR models corresponds to ISO class F6.
· Refer to the corresponding documentation when choosing axle diameter dimensions and radial clearance.
· Especially high

Part Number

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Part Number
NA4905R
NK14/20
NK16/16
NK28/30R
NK32/20R
NK70/25R
NK100/36R
RNA4822
RNA4901L
RNA4906LL
RNA5915
RNA6902R

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	RoHS	Load Direction	I.D. d (mm)	O.D. D (mm)	Width B (mm)	Precision (JIS)	Number of Raceway Ring Rows	Size Standards	Retainer Type	Basic Load Rating, Dynamic Rating (N)	Sealing Structure	Lubricant	Internal Clearance Symbol	Specifications	Number Of Rotations (1/min)	Series
20.90 € 10.66 €	1	Same day Stock	10	Radial	25	42	17	Grade 0	Single Row	Metric System	-	24000	-	-	CN (Normal Clearance)	-	8500	-
14.75 €	1	8 Days	10	Radial	14	22	20	Grade 0	-	Metric System	-	13000	-	-	CN (Normal Clearance)	-	16000	-
13.88 €	1	11 Days	10	Radial	16	24	16	Grade 0	-	Metric System	-	12200	-	-	CN (Normal Clearance)	-	15000	-
23.02 €	1	8 Days	-	Radial	28	37	30	Grade 0	-	Metric System	-	26700	-	-	CN (Normal Clearance)	-	9500	-
21.49 €	1	8 Days	-	Radial	32	42	20	Grade 0	-	Metric System	-	23500	-	-	CN (Normal Clearance)	-	8500	-
66.09 €	1	8 Days	-	Radial	70	85	25	Grade 0	-	Metric System	-	45000	-	-	CN (Normal Clearance)	-	3700	-
123.99 €	1	8 Days	-	Radial	100	120	36	Grade 0	-	Metric System	-	107000	-	-	CN (Normal Clearance)	-	2700	-
115.39 €	1	8 Days	10	Radial	120	140	30	Grade 0	-	Metric System	-	93500	-	-	-	-	2200	-
15.29 € 7.65 €	1	Same day Stock	10	Radial	16	24	13	Grade 0	-	Metric System	-	9550	One-sided Seal Type	-	-	-	15000	-
31.19 €	1	8 Days	10	Radial	35	47	17	Grade 0	-	Metric System	-	25500	Double-sided Seal Type	-	-	-	7500	-
121.71 €	1	8 Days	10	Radial	85	105	40	Grade 0	-	Metric System	-	109000	-	-	-	-	3100	-
18.01 € 9.73 €	1	Same day Stock	-	Radial	20	28	23	Grade 0	-	Metric System	-	17600	-	-	-	-	13000	-

Basic information

Raceway Ring Shape	Needle Roller	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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Basic Attributes

I.D. d(mm)
5

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34.925(1 3/8)

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O.D. D(mm)
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37

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47.625(1 7/8)

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62

68

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Width B(mm)
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25.40(1)

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54

60

63

67

69

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100
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Precision (JIS)
- Grade 0
- Grade 4
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Number of Raceway Ring Rows
- Single Row
- Double Row
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Size Standards
- Metric System
- Inch Base
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Retainer Type
- Resin Forming
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Sealing Structure
- Brim Type
- Double-sided Seal Type
- One-sided Seal Type
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Lubricant
- 3AS: Albania
- LP03: Heat-hardening grease
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Internal Clearance Symbol
CN (Normal Clearance)
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Specifications
Clearance adjusting shape
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Number Of Rotations(1/min)
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Series
No Inner Wheel

No Inner Wheel/Separated Type

With Inner Wheel
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Type
- 8Q
- MR
- NA
- NK
- NKS
- RNA
- RNAB
- RNAO
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Load Direction
- Radial
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- 2D
- 3D
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