Single Row Cylindrical Roller BearingsNU30/630 Bearing

Single row cylindrical roller bearings are a type of bearing that is designed to support heavy radial loads and high speeds. They are commonly used in industries such as machine tools, paper mills, and electric motors where high precision and reliability are crucial.

These bearings consist of a cylindrical roller and raceway, and are available in a variety of sizes and designs. They can be either integral or separable, and can be designed with different cage materials, such as steel, brass, and polyamide.

One of the main advantages of single row cylindrical roller bearings is their ability to accommodate axial loads in one direction. This makes them particularly useful in applications where axial loads are present and a certain degree of rigidity is required.


VAFEM (Shang Hai) Bearing Technology Co.,Ltd
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Single Row Cylindrical Roller Bearings

Dimension and Parameters

Bearing NO.
New :NU30/630
Old :30321/630
Boundary dimensions(mm)
d :630
D :920
B :212
r 1.2min :7.5
r3、4min :7.5
Fw :699
Ew :
Basic load ratings(kN)
Cr :6230
Cor :1420
Limiting speed(rpm)
Grease :450
Oil :530
Abutment and fillet dimensions(mm)
da min :
db min :666
Da max :887
Db max :
ra max :6
rb max :6
Weight (kg)
Refer :490
Part Number:
d:
D:
B:
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