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USNU Series USNU60 One Way Roller Clutch Bearings

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USNU Series USNU60 One Way Roller Clutch Bearings

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Brand Name :	SUMA
Model Number :	USNU60
Certification :	ISO SGS
Price :	USD55-USD70PER PIECE
Payment Terms :	L/C, D/A, D/P, T/T, Western Union, Paypal
Supply Ability :	1000PCS Per Month
Delivery Time :	7-15 Days
MOQ :	5-

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USNU Series USNU60 One Way Roller Clutch Bearings

USNU Series USNU60 One Way Roller Clutch Bearings

Features

The USNU Series freewheels are not self-centering. It is therefore necessary to place one or two bearings next to the freewheel so that the outer race can rotate centrally to the inner race.

USNU freewheels have ball bearings with the same dimensions as the 63.. series.

The torque forces are transmitted from the shaft to the inner race by means of a key and from the outer race to the seating by means of front pullers or by means of an interference fit if the seating tolerance is made a K6.

Shaft tolerance must be either h6 or j7; the tolerances for the seating must be either H7 or F7.

When front pullers are not used, the seating tolerance should be K6.

Before being put onto service, the freewheels must be lubricated with suitable lubricants following the instructions given on page 12. Oil lubrication is essential when a high number of rotations in neutral is reached.

Technical Datas

Dimensions and Capacities

Type	Size	TKN1)	Overrunning Speeds										Weight	Drag torque
USNU	dH7	TKN1)	nimax2)	namax3)	Dn6	D5	L	b	t	s	e	f	Weight	TR
	[mm]	[Nm]	[min-1]	[min-1]	[mm]	[mm]	[mm]	[mm]	[mm]	[mm]	[mm]	[mm]	[kg]	[Ncm]
	8	12	3300	5000	35	28	13	4	1.4	2.4	0.6	0.3	0.07	1.6
	12	12	3300	5000	35	28	13	4	1.4	2.4	0.6	0.3	0.06	1.6
	15	30	2400	3600	42	37	18	5	1.8	2.4	0.8	0.3	0.11	1.9
	17	49	2300	3400	47	40	19	5	2.3	2.4	1.2	0.8	0.15	1.9
	20	78	2100	3100	52	42	21	6	2.3	2.4	1.2	0.8	0.19	1.9
	25	125	1700	2600	62	51	24	8	2.8	2.4	1.2	0.8	0.38	5.6
	30	255	1400	2200	72	60	27	10	2.5	2.4	1.8	1	0.54	14
	35	383	1200	1900	80	70	31	12	3.5	2.4	1.8	1	0.74	16
	40	538	1100	1700	90	78	33	12	4.1	2.5	1.8	1	0.92	38
	45	780	1000	1600	100	85	36	14	4.6	2.5	1.8	1	1.31	43
	50	1013	850	1350	110	92	40	14	5.6	2.5	1.8	1	1.74	55
	60	1825	750	1050	130	110	46	18	5.5	3.6	2.6	1.5	2.77	110
	70	2300	600	950	150	125	51	20	6.9	3.6	2.6	1.5	4.16	140
	80	3275	550	850	170	140	58	20	7.5	3.6	2.6	1.5	6.09	180
	90	5325	500	750	190	160	64	20	8	3.6	2.6	2	8.2	230
	100	7250	450	680	215	175	73	24	8.5	3.6	2.6	2	12.6	380
	120	13500	370	550	260	215	86	28	10	3.6	2.6	2.5	22	650
	150	26625	300	460	320	260	108	32	12	3.6	3.6	2.5	42	1000
	200	44500	230	350	420	350	138	45	16	7.6	3.6	3	93	2000

NOTES

ASNU8-12, ASNU200 keyway to DIN 6885. 1,

other sizes to DIN 6885.3
1) T max = 2 × T KN
2) Inner race overruns
3) Outer race overruns

Mounting Example

Pictures

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