Single Row Cylindrical Roller Bearings

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Description
Technical diameters

Inquiry	PDF	Bearing NO.		Boundary dimensions(mm)							Basic load ratings(kN)		Limiting speed(rpm)		Abutment and fillet dimensions(mm)						Weight (kg)
Inquiry	PDF	New	Old	d	D	B	r 1.2min	r3、4min	Fw	Ew	Cr	Cor	Grease	Oil	da min	db min	Da max	Db max	ra max	rb max	Refer
		NU29/1320		1320	1720	230	7.5	7.5	1420		10400	28800				1380	1654		6	6	1480
		NU39/1320		1320	1720	300	7.5	7.5	1410		128000	32500				1380	1654		6	6	1950
		N30/1320		1320	1850	400	12	12		1737	20400	52200			1430			1803	10	10	3550
		N28/1400EM		1400	1700	175	7.5	7.5		1637	6600	18300			1628			1646	6	6	860
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Features:

1. The rollers and raceways are in line contact or trimmed line contact. They have large radial load-bearing capacity and are suitable for withstanding heavy loads and impact loads.

2. The friction coefficient is small, suitable for high speeds, and the limit speed is close to that of deep groove ball bearings.

3. N type and NU type can move axially, can adapt to changes in the relative position of the shaft and housing caused by thermal expansion or installation errors, and can be used as free end supports.

4. The processing requirements for the shaft or seat hole are relatively high. After the bearing is installed, the relative deflection of the outer ring axis must be strictly controlled to avoid contact stress concentration.

5. The inner or outer ring can be separated for easy installation and removal