6340MC2P6

Single-Row Deep Groove Ball Bearings

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Parts Number		Qty
6340MC2P6 Single-Row Deep Groove Ball Bearings		Qty	Add to Compare You can use this service by registering as a member.

Product Information

Display units Metric Imperial

Parts Number

6340MC2P6

Boundary Dimensions

d	200	mm	Bore diameter
D	420	mm	Outside diameter
B	80	mm	Width
r (min.)	5	mm	Chamfer dimension

Basic Load Ratings

C_r	415000	N	Basic dynamic load rating
C_0r	445000	N	Basic static load rating

Speeds

Grease	1300	min^-1	Grease lubrication
Oil (Oil-bath)	1600	min^-1	Oil-bath lubrication

Abutment and Fillet Dimensions

da (min.)	220	mm	Diameter of shaft abutment
Da (max.)	400	mm	Diameter of housing abutment
ra (max.)	4	mm	Radius of shaft or housing fillet
Dx (min.)	0	mm	Diameter of snap ring recess in the housing
Cy (max.)	0	mm	Distance from outer ring side face to snap ring back face

Calculation factors

13.8

Factor

Additional information

z	8		Number of Balls
Dw	63.5	mm	Ball Diameter

Mass

(approx.)

55.3

Properties

Types	63 series
Design	( ): None-N, NR
Cage	M: Machined brass cage
Seals,Shields	( ): Open (not sealed)
Radial Internal Clearance	C2
Tolerance	ISO CLASS 6

Drawing for Reference

Designations	Basic Load Ratings		Radial Internal Clearance			Tolerance Class	Limiting Speeds		Number of Balls	Ball Diameter		Mass
Designations	C_r (N)	C_0r (N)		min	max	Tolerance Class	Grease (min^-1)	Oil (Oil-bath) (min^-1)	Number of Balls	(mm)	(inch)	(approx.) (kg)
6340	415000	445000				ISO CLASS 6	1300	1600	8	63.5	2.5	55.3

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Not to scale.
(*) The chamfer dimensions are minimum values.
6000N, 6000NR, 6001N, 6001NR : Snap ring groove dimensions and snap ring dimensions are not based on ISO 15.

CAD

FAQs (3)

Customer Questions

What are radial loads and axial loads?

Loads are defined by their direction. Loads perpendicular to the shaft are called radial loads and loads parallel to the shaft are called axial (thrust) loads.

How do deep groove ball bearings (DGBBs) differ from single-row angular contact ball bearings?

While DGBBs can handle axial loads in both directions, single-row angular contact ball bearings can only receive axial load in one direction.

What are the differences between open, sealed, and shielded deep groove ball bearings?

Seals and shields offer additional protection for bearing components and help to improve and maintain lubrication. In terms of sealing performance, sealed bearings rank best, followed by shielded bearings, then finally open bearings.
NSK uses supplementary designations D, DU, DW, and V (DD, DDU, DDW, VV) for sealed bearings and Z (ZZ) for shielded bearings. No supplementary designations are listed for open bearings.

More Information

More Information
NSK Product Type2	DGBB_SR
NSK Product Type	Bearing
Designations	6340

6340MC2P6

Parts Number

Boundary Dimensions

Basic Load Ratings

Speeds

Abutment and Fillet Dimensions

Calculation factors

Additional information

Mass

Properties

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