NSK CSK12 CSK12P CSK12PP One way bearing,sprag freewheel clutch Bearing

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Product Description

The NSK CSK12 is a premium one-way bearing , also known as a sprag freewheel clutch, designed for seamless mechanical power transmission. This model combines ultra-high precision , excellent torque transfer , and reliable locking performance to meet the demands of modern machinery.

Engineered by NSK, a global leader in bearing technology, it ensures long service life even under heavy loads. Ideal for applications like conveyor systems, packaging equipment, and automotive transmissions, the CSK12 series delivers unmatched efficiency. Its compact design and robust performance make it a go-to solution for engineers seeking reliability and precision. Discover how this bearing can optimize your operations—explore its features today!

Product Features

Inner Diameter (Bore): 12mm
Outer Diameter: 32mm
Width: 10mm
Type: One-way clutch bearing (sprag type)
Material: High-grade steel with heat treatment for durability
Applications: Conveyor systems, packaging machines, automotive components

Types CSK..P and CSK..PP are sprag type freewheels integrated into 62.. series ball bearings (except size 40). They are bearing supported, delivered grease lubricated and protected against dust of more than 0,3 mm.
The use of additional “nylos” type seals is recommended especially when the working temperature exceeds 50°C. Oil bath lubrication is also possible.
In addition to the basic CSK model, type CSK..P features a keyway on the inner race. For this reason it can be keyed to a shaft to k6 tolerance. The outer race must still be pressed into a rigid steel housing to N6 tolerance.
CSK..PP features a keyway on both the inner and outer race. The recommended mounting tolerances are h6 on the shaft and H6 in a rigid housing. Please contact us when either the ambient or the operating temperature is not within the range +5°C to +60°C.

NSK CSK12 CSK12P CSK12PP One way bearing,sprag freewheel clutch Bearing — nsk-csk12-one-way-bearing

PART NUMBERS							DIMENSIONS		TORQUE (N.m)	WEIGHT (KG）
STIEBER	/1 KEYWAY	/2 KEYWAYS	TSUBAKI	d	D	W			TORQUE (N.m)	WEIGHT (KG）
CSK8	CSK8-P	CSK8-PP	.	8	22	9	2.0	0.015
CSK10	CSK10-P	CSK10-PP		10	30	9	5.0	0.030
CSK12	CSK12-P	CSK12-PP	.	12	32	10	7.5	0.040
CSK15	CSK15-P	CSK15-PP	BB15	15	35	11	13.5	0.05
CSK17	CSK17-P	CSK17-PP	BB17	17	40	12	24.5	0.07
CSK20	CSK20-P	CSK20-PP	BB20	20	47	14	40	0.11
CSK25	CSK25-P	CSK25-PP	BB25	25	52	15	68	0.14
CSK30	CSK30-P	CSK30-PP	BB30	30	62	16	110	0.21
CSK35	CSK35-P	CSK35-PP	BB35	35	72	17	140	0.30
CSK40	CSK40-P	CSK40-PP	BB40	40	80	22	260	0.50
CSK6004				20	42	12	60	0.07
CSK6005				25	47	12	65	0.08
CSK6304	CSK6304-P	CSK6304-PP		20	52	15	68	0.16
CSK6305	CSK6305-P	CSK6305-PP		25	62	17	110	0.24
CSK6306	CSK6306-P	CSK6306-PP		30	72	19	140	0.38

Model No	Dimensions (mm)					Bearing Loads		Torque Tkn(N.m)	Weight (KG)
Model No		d	D	W	C[Kn]	Co[Kn]		Torque Tkn(N.m)	Weight (KG)
CSK8 2RS	8	22	9	3.28	0.86	2.5	0.015
CSK12 2RS	12	32	14	6.1	2.77	7.5	0.05
CSK15 2RS	15	35	16	7.4	3.42	13.5	0.07
CSK17 2RS	17	40	17	7.9	3.8	24.5	0.09
CSK20 2RS	20	47	19	9.4	4.46	40	0.145
CSK25 2RS	25	52	20	10.7	5.46	68	0.175
CSK30 2RS	30	62	21	11.7	6.45	110	0.270
CSK35 2RS	35	72	22	12.6	7.28	140	0.40
CSK40 2RS	40	80	27	15.54	12.25	260	0.60
OW6004-2RS	20	42	14	7.80	3.80	50	0.075
OW6006-2RS	30	55	14	13.20	8.30	80	0.140
OW6205-2RS	25	52	15	14	7.85	60	0.14
WCB6205-2RS	25	52	15	14	7.85	60	0.14

FAQs

What is the NSK CSK12 used for?
The NSK CSK12 is a one-way bearing used in machinery requiring unidirectional motion, such as conveyors and packaging equipment.

How does a sprag freewheel clutch work?
A sprag freewheel clutch allows rotation in one direction while locking in the opposite, enabling efficient power transmission.

What are the dimensions of the NSK CSK12?
The NSK CSK12 has an inner diameter of 12mm, an outer diameter of 32mm, and a width of 10mm.

Is the NSK CSK12 suitable for high-speed applications?
Yes, the NSK CSK12 is designed for high-speed operation with excellent locking precision and minimal friction.

What makes NSK CSK12 different from other one-way bearings?
The NSK CSK12 stands out due to its high precision, durable construction, and reliable performance under demanding conditions.