Precision Bearing Steel AS Inner Diameter CKA2052 2060 2562 3072 3080 3580 4090 One-Way Bearing

Unidirectional bearing is a type of bearing that can rotate freely in one direction and lock in another direction. Unidirectional bearings, also known as overrunning clutches, are named according to their different industries and functions. The metal shell of a unidirectional bearing contains many rollers, needles, or balls, and the shape of its rolling seat (cavity) allows it to only roll in one direction, while producing significant resistance in the other direction (known as "unidirectional").

Main use: Textile machinery; Printing machinery; The automotive industry; Household appliances; Currency verification machine.

Unidirectional bearings: HF, HFL, FC, FCB, RCB, RC, F, EWC, DC, CSK, CKB (B200), ASNU, CKA, FWD, NF, etc.

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CSK (KK) Type Overrunning Clutch (One-Way Bearing) Basic Parameters & Main Dimensions Length Units
No.	Size	Nominal Torque	Exceeding The Limit Speed	External Dimensions			Bearing Series	m
		Nominal Torque	Exceeding The Limit Speed	External Dimensions				m
		Tn	n	d	D	L		( kg)
		(N m)	(r/mim)	d	D	L		( kg)
1	CSK8	2.5	15000	8	22	9	608	0.015
2	CSK12	7.4	10000	12	32	10	6201	0.04
3	CSK15	13.5	8400	15	35	11	6202	0.06
4	CSK 17(KK17/ BB17)	24.5	7350	17	40	12	6203	0.07
5	CSK 20(KK20/BB20)	40	6000	20	47	14	6204	0.11
6	CSK 25(KK25/BB25)	68	5200	25	52	15	6205	0.14
7	CSK 30(KK30/BB30)	110	4200	30	62	16	6206	0.21
8	CSK 35(KK35/BB35)	140	3600	35	72	17	6207	0.3
9	CSK 40	260	3000	40	80	22	6208	0.5
10	CSK8ZZ	2.5	15000	8	22	9	608	0.015
11	CSK12-2RS	7.4	10000	12	32	14	6201	0.04
12	CSK15-2RS	13.5	8400	15	35	16	6202	0.06
13	CSK17-2RS	24.5	7350	17	40	17	6203	0.07
14	CSK20-2RS	40	6000	20	47	19	6204	0.11
15	CSK25-2RS	68	5200	25	52	20	6205	0.14
16	CSK30-2RS	110	4200	30	62	21	6206	0.21
17	CSK35-2RS	140	3600	35	72	22	6207	0.3
18	CSK40-2RS	260	3000	40	80	27	6208	0.5

Type	Size	Overrunning speed											Weight	Resistance torque
Type	dh7 [mm]	TKN [Nm]	nmax [min-1]	namax [min-1]	Dn6 [mm]	L [mm]	D5 [mm]	b [mm]	t [mm]	s [mm]	e [mm]	f [mm]	[kg]	TR [Ncm]
ASNU (NFS)	8	9.2	3,300	5,000	35	13	28	4	1.4	2.4	0.6	0.3	0.07	1.6
	12	9.2	3,300	5,000	35	13	28	4	1.4	2.4	0.6	0.3	0.06	1.6
	15	24	2,400	3,600	42	18	37	5	1.8	2.4	0.8	0.3	0.11	1.9
	17	39	2,300	3,400	47	19	40	5	2.3	2.4	1.2	0.8	0.15	1.9
	20	62	2,100	3,100	52	21	42	6	2.3	2.4	1.2	0.8	0.19	1.9
	25	100	1,700	2,600	62	24	51	8	2.8	2.4	1.2	0.8	0.38	5.6
	30	204	1,400	2,200	72	27	60	10	2.5	2.4	1.8	1	0.54	14
	35	306	1,200	1,900	80	31	70	12	3.5	2.4	1.8	1	0.74	16
	40	430	1,100	1,700	90	33	78	12	4.1	2.5	1.8	1	0.92	38
	45	624	1,000	1,600	100	36	85	14	4.6	2.5	1.8	1	1.31	43
	50	810	850	1,350	110	40	92	14	5.6	2.5	1.8	1	1.74	55
	60	1,460	750	1,050	130	46	110	18	5.5	3.6	2.6	1.5	2.77	110
	70	1,840	600	950	150	51	125	20	6.9	3.6	2.6	1.5	4.16	140
	80	2,620	550	850	170	58	140	20	7.5	3.6	2.6	1.5	6.09	180
	90	4,260	500	750	190	64	160	20	8	3.6	2.6	2	8.2	230
	100	5,800	450	680	215	73	175	24	8.5	3.6	2.6	2	12.6	380
	120	10,800	370	550	260	86	215	28	10	3.6	2.6	2.5	22	650
	150	21,300	300	460	320	108	260	32	12	3.6	3.6	2.5	42	1000
	200	35,600	230	350	420	138	350	45	16	7.6	3.6	3	93	2000

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