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Inquiry	Bearing NO.	Principal dimensions （mm）					Details
		d	D	B	rmin	r1min
	2740	?200	320	48	2.1	2.1
	NU3040X3	200	320	88.9	3	3
	2240    N240	200	360	58	4	4
	32240    NU240	200	360	58	4	4
	42240    NJ240	200	360	58	4	4
	2540E    N2240E	200	360	98	4	4
	42540    NJ2240	200	360	98	4	4
	32540E    NU2240E	200	360	98	4	4
	92540    NUP2240	200	360	98	4	4
	NU2340X3	200	400	122	5	5
	3032340    NU3340	200	420	165	5	5
	3092340    NUP3340	200	420	165	5	5
	2640    N2340	200	420	138	5	5
	32340    NU340	200	420	80	5	5
	2032944Q    NU2944Q1	220	300	48	2.1	1.5
	32144W    NU1044F1	220	340	56	3	3
	42144    NJ1044	220	340	56	3	3
	32844	220	350	98.4	2.1	2.1
	32644    NU2344	220	460	145	5	5

 

Cylindrical Roller Bearing  Inner Diameter: 50-1600 mm

Double-row Cylindrical Roller Bearing  Inner Diameter: 90-800 mm

Four-row Cylindrical Roller Bearing  Inner Diameter: 50-1030 mm

With the roller and the tracking surface in a line contact, cylindrical roller bearing has a large capacity of radial load, which suits for heavy load and impact load.

Being easy to be processed with high precision in its structure, it is suitable for high speed spinning.

 

With its Inner ring and outer ring separable, it is easy for assembly and disassembly.

Single-row Cylindrical Roller Bearing

Type NU and Type N allow axis to make axial movements in a certain range in the housing, which are most used as free-end bearings.

Type NJ and Type NF can withstand one-way axial load in a certain degree, while Type NUP and Type NH can withstand two-way axial load in a certain degree.

With its main sizes up to the standard cylindrical roller bearing, it raises the rated load through changes in the internal specifications.

Double-row Cylindrical Roller Bearing

There are 2 kinds of double-row cylindrical roller bearings: one with cylindrical bore and one with tapered bore. Bearings with tapered bore can obtain the internal clearance by adjusting the push-up distance.

Bearings with oil holes and oil grooves in the outer ring have a post positive auxiliary code —“W”in the nominal type。

With strong rigidity of load resistance, they are mostly used in machine tool spindles etc.