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

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MR223016

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Part Number
MR223016

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	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
	22.28 €	1		8 Days	10	-	34.925(1 3/8)	47.625(1 7/8)	25.40(1)	Grade 0	Single Row	Inch Base	-	37000	-	-	-	-	7500	No Inner Wheel

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

Load Direction
- Radial
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O.D. D(mm)
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47.625(1 7/8)

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Width B(mm)
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25.40(1)

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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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