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NN3028ZTB

Double-Row Cylindrical Roller Bearings

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Parts Number
NN3028ZTBCC1P4Y Double-Row Cylindrical Roller Bearings			Add to Compare You can use this service by registering as a member.

Product Information

Parts Number

NN3028ZTBCC1P4Y

Boundary Dimensions

	NN: Inner ring rib type		Bearing Type
d	140	mm	Bore diameter
D	210	mm	Outside diameter
B	53	mm	Width
r(min.)	2	mm	Chamfer Dimension

Basic Load Ratings

C_r	204	kN	Basic Dynamic Load Rating
C_0r	258	kN	Basic Static Load Rating

Speeds

Grease	5200	min^-1	Limiting Speed
Oil (Oil-air)	6800	min^-1	Limiting Speed

Dimensions

Ew	192	mm	Roller Circumscribed Circle Diameters
s	1.3	mm	Axial Displacement

Abutment and Fillet Dimensions

da(min.)	149	mm	Diameter of Shaft Abutment
d1a(min.)	151	mm	Diameter of Shaft Abutment
Da(min.)	195	mm	Diameter of Housing Abutment
Da(max.)	201	mm	Diameter of Housing Abutment
ra(max.)	2	mm	Radius of Shaft or Housing Fillet

Additional information

CC1(max.)	35	μm	Clearance in Bearings with Cylindrical Bores
CC1(min.)	10	μm	Clearance in Bearings with Cylindrical Bores
	20	g/brg	Recommended Grease Quantities

Holes Dimensions

dh	4	mm	Hole Diameter
W	8	mm	Oil Groove Width
m	4		Number of Holes

Mass

4.81

kg

Mass(approx.)

CAD

Customer Questions

More Information

More Information
NSK Product Type2	SP_CRB_DR_NN30
NSK Product Type	Super Precision Bearing
Designations	NN3028ZTB

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