D 50-120mm-Non-flange, without Inner ring Open--NEY（DuangDong）Bearing Industry Co.,LTD

Index >> Machined needle roller bearing >> Non-flange, without Inner ring Open

D 50-120mm

Product Parameter

Designation	X-life	Mass m ≈kg	Principal dimensions mm					Fitting dimansion mm				Basic load ratings KN		Fatigue limit load C_ur/N	Limiting Speed n_G min^–1	Reference Speed n_B min^–1
Designation	X-life	Mass m ≈kg	F_w	D	C	E	r min	D_b	d_b	D_a	r_a max	Dyc C_r	Stc C_or	Fatigue limit load C_ur/N	Limiting Speed n_G min^–1	Reference Speed n_B min^–1
RNAO65X85X30	XL	464	65	85	30	73	1	66	72.2	73.8	1	64000	123000	21100	7100	4550
RNAO70X90X30	XL	499	70	90	30	78	1	71	77.2	78.8	1	68000	135000	23200	6600	4250
RNAO80X100X30	XL	580	80	100	30	88	1	81	87.2	89	1	80000	176000	31000	5800	3600
RNAO90X105X26	XL	373	90	105	26	98	1	91	97.2	99	1	69000	150000	25000	5200	3350
RNAO90X110X30	XL	610	90	110	30	98	1	91	97.2	99	1	76000	172000	29500	5200	3450
RNAO100X120X30	XL	694	100	120	30	108	1	101	107.2	109	1	80000	188000	32000	4700	3150

Introduction

& nbsp; features single or double row needle roller bearing with flange consists of machined outer ring, needle roller and cage components with flange and separable inner ring. X-life needle roller bearing with flange is X-life bearing. these bearings have optimized raceway surfaces. Therefore, it has higher bearing capacity and longer rated life. needle roller bearing without inner ring needle roller bearings without inner ring have extremely compact radial dimensions. However, they require that the raceway of the shaft be hardened and ground. '> 40mm . needle roller bearing with inner ring if the shaft cannot be used as the raceway of rolling bearing, the bearing with inner ring shall be used. this kind of bearing has a single row design, but also a double row design na69 , its d & Ge; 32mm . inner circle displacement the standard inner ring is allowed to have displacement in the axial direction not exceeding the value listed in the dimension table. When large displacement occurs, the standard ferrule can be replaced by wide inner ring IR . inner circle: see page 776 . seal And. On both sides are contact seals. lubrication bearings are lubricated with composite lithium grease ga08 . arcanol load150 suitable for relubrication. For this purpose, the outer ring has a lubricating groove and a lubricating hole. 'EN-US ' > d & le; The 7mm series of NKI have no lubrication holes and grooves. sealing ring and wide inner ring in order to prevent the influence of the outside world, the combination of seal ring series ( G , GR and SD ) and wide inner ring IR can be used for bearing sealing. The sealing ring and inner ring should match the needle bearing. The outer surface of the inner ring can be used as the sliding surface of the sealing lip. sealing ring: see page 804 and tpi128 , single lip and double lip sealing rings. working temperature the operating temperature range of open bearing is & ndash; 20 ℃ to + 120 ℃. limited by grease and sealing materials, the operating temperature range of needle bearing with seal is & ndash; 20 ℃ to + 100 ℃. cage there are two kinds of cages: steel cage and nylon cage. The suffix of the bearing with nylon cage is TV . before using nylon cage bearing, check the compatibility of lubricant and cage material (PA66 GF / h) . suffix see the following table for suffixes of existing designs. suffix of existing design

suffix