CKA series sprag type freewheel clutches have no bearings as their cage but have inner and outer rings. Both of the inner and outer ring are with key slot. Bearings should be installed to bear axial and radial load when in use.

Type	Type	OR(mm)	IR (mm)	Key slot (mm)		Nominal torque(N.m)	Limiting speed(r/min)	Mass(KG)
		D(H7)*L	d(H7)*L	b*t	b1*t1
CKA12×50/24	CK50×24-12	50×22	12×24	3×1.8	3×1.4	2500	31.5	0.24
CKA18×55/24	CK55×24-18	55×22	18×24	4×2.5	4×1.8	2250	50	0.275
CKA20×60/24	CK60×24-20	60×22	20×24	6×3.5	6×2.8	2000	63	0.33
CKA25×63/26	CK63×26-25	63×24	25×26	6×3.5	6×2.8	1800	100	0.375
CKA24×63/26	CK63×26-24	63×24	24×26	6×3.5	6×2.8	1800	100	0.375
CKA25×63/32	CK63×32-25	63×30	25×32	6×3.5	6×2.8	1800	140	0.48
CKA24×63/32	CK63×32-24	63×30	24×32	6×3.5	8×3.3	1800	140	0.49
CKA12×70/32	CK70×32-12	70×30	12×32	8×4.0	8×1.4	1500	150	0.675
CKA25×70/32	CK70×32-25	70×30	25×32	8×4.0	8×3.3	1500	150	0.625
CKA28×70/32	CK70×32-28	70×30	28×32	8×4.0	8×3.3	1500	180	0.6
CKA25×72/27	CK72×27-25	72×30	25×27	6×3.5	8×3.3	1500	180	0.535
CKA25×75/40	CK75×40-25	75×30	25×40	8×4.0	8×3.3	1500	180	0.785
CKA25×78/51	CK78×51-25	78×30	25×51	8×4.0	8×3.3	1500	180	0.94
CKA20×80/26	CK80×26-20	80×26	20×26	4-φ6.5 (Center)φ66	6×2.8	1500	200	0.80
CKA22×80/32	CK80×32-22	80×30	22×32	8×4.0	6×2.8	1500	200	0.84
CKA22×80/70	CK80×70-22	80×32	22×70	10×4.6	6×2.8	1500	200	1.29
CKA25×80/32	CK80×32-25	80×32	25×32	8×4.0	8×3.3	1500	200	0.895
CKA30×80/26	CK80×26-30	80×26	30×26	8×4.0	8×3.3	1500	200	0.725
CKA30×80/32	CK80×32-30	80×30	30×32	8×4.0	8×3.3	1500	200	0.84
CKA25×85/28.5	CK85×28.5-25	85×20	25×28.5	5×3L=14	8×3.3	1500	200	0.92
CKA35×85/43	CK85×43-35	85×24	35×43	2-M10	2-M6	1500	200	1.00
CKA40×90/33	CK90×33-40	90×33	40×33	2-12×4	12×2.4	1500	200	1.15
CKA40×90/34	CK90×34-22	90×32	22×34	10×5.0	8×3.3	1250	315
CKA35×100/34	CK100×34-35	100×32	35×34	10×5.0	10×3.3	1250	315	1.33
CKA28×100/34	CK100×34-28	100×32	28×34	10×5.0	8×3.3	1250	315
CKA38×100/34	CK100×34-38	100×32	38×34	10×5.0	10×3.3	1250	315	1.28