24068CAMK30E4

Spherical Roller Bearings

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Parts Number
24068CAMK30E4C5 Spherical Roller Bearings			Add to Compare You can use this service by registering as a member.

Product Information

Display units Metric Imperial

Parts Number

24068CAMK30E4C5

Boundary Dimensions

d	340	mm	Bore diameter
D	520	mm	Outside diameter
B	180	mm	Width
r (min.)	5	mm	Chamfer dimension

Basic Load Ratings

C_r	3650000	N	Basic dynamic load rating
C_0r	6050000	N	Basic static load rating

Speeds

Thermal Speed Rating (Oil-bath)	670	min^-1	Oil-bath lubrication subject to conditions outlined in ISO 15312
Mechanical (forced-circulation oil)	1200	min^-1	Properly designed and controlled forced-circulation oil lubrication
Grease	480	min^-1	Grease lubrication
Oil (Oil-bath)	600	min^-1	Oil-bath lubrication

Abutment and Fillet Dimensions

da (min.)	362	mm	Diameter of shaft abutment
Da (min.)	454	mm	Diameter of housing abutment
Da (max.)	498	mm	Diameter of housing abutment
ra (max.)	4	mm	Radius of shaft or housing fillet

Calculation factors

e	0.32	Constant
Y2	3.2	Axial load Factors
Y3	2.1	Axial load Factors
Y0	2.1	Axial load Factors

Mass

(approx.)

135

Associated products

Withdrawal sleeve

AH24068

Withdrawal sleeve

Drawing for Reference

Designations	Boundary Dimensions			Basic Load Ratings		Radial Internal Clearance			Tolerance Class	Speeds				Mass
	Boundary Dimensions			Basic Load Ratings		Radial Internal Clearance					Limiting Speeds			Mass
	d (mm)	D (mm)	B (mm)	C_r (N)	C_0r (N)		min	max		Thermal Speed Rating (Oil-bath) (min^-1)	Mechanical (forced-circulation oil) (min^-1)	Grease (min^-1)	Oil (Oil-bath) (min^-1)	(approx.) (kg)
24068CAMK30E4	340	520	180	3650000	6050000				ISO NORMAL CLASS	670	1200	480	600	135

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Not to scale.
(*) The chamfer dimensions are minimum values.
Suffix K and K30 represents bearings with tapered bores (taper 1:12 or 1:30).

CAD

FAQs (3)

Customer Questions

How do I lubricate spherical roller bearings? Are oil grooves and oil holes provided?

Yes, oil grooves and oil holes come standard in the outer ring of NSK spherical roller bearings for easy lubrication. These are indicated by “E4” in the designation.

How is using two tapered roller bearings different from using a spherical roller bearing?

Assuming that a face-to-face combination (DF arrangement) with the same roller arrangement is used, the biggest differences are the amount of permissible misalignment and the spherical roller bearing's capacity for self-alignment.

What grease is recommended for spherical roller bearings?

We generally recommend Shell Alvania S2 grease (AS2) for spherical roller bearings.

More Information

More Information
NSK Product Type2	SRB_CTB
NSK Product Type	Bearing
Designations	24068CAMK30E4