One-way bearing is free to rotate in one direction, while in the other direction on a bearing locked. One-way bearings inside the metal shell that contains lots of roller, needle or ball, and the rolling seat (hole) shape so that it can only scroll in one direction, while in the other direction will have great resistance.

One-way bearings are widely used in printing machinery, packing machinery, food machinery, two-speed gearboxes, electric roller, exercise equipment, auto industry, fishing reel, Household appliances; Currency detector, etc.

Features of one way clutch ball bearing:

1. High carrying capacity
2. Enough storage grease space
3. High limited speed
4. Long life

Technical Datas

SPECIFICATION
Product name	AA engine bearing
Model	AA20
Material	GCr15
Inner diameter	20mm
Outer diameter	68mm
Thickness	34mm
Torque capacity	146Nm
Drag Torque	8.4Ncm
Inner race overrunning speed	2000r/min
Outer race overrunning speed	3600r/min
Weight	0.7kg
Structure	Roller type
Application	Textile machine, fans, ventilators, printing machine
Package	Carton Box, Wooden Box or Customized
Payment terms	TT. L/C, D/A,D/P,Western Union, Paypal
Delivery time	2-4 days for the sample, 7 days for big order

Dimensions and Capacities

Size	TK1	Overrunning speeds											Weight	Drag torque
dH7	TK1	Nimax2)	Namax3)	Dh7	D5	D6	D3	Z	O	L	f	s	(kg)	TR
(mm)	(Nm )	(min-1)	(min-1)	(mm)	(mm)	(mm)	(mm)	(mm)	(mm)	(mm)	(mm)	(mm)	(kg)	(Ncm)
12	17	3100	6000	47	28	20	38	3	5.5	20	0.5	4.5	0.21	0.7
15	55	2300	5400	55	37	26	45	3	5.5	30	0.8	4.5	0.44	3.5
20	146	2000	3600	68	50	35	58	4	5.5	34	0.8	5.5	0.7	8.4
25	285	1700	2600	90	68	45	7	6	5.5	37	1	6.5	1.3	14
30	500	1500	2100	100	75	50	87	6	6.6	44	1	6.5	2	23
35	720	1300	1950	110	80	55	96	6	6.6	48	1	6.5	2.6	60
40	1030	1200	1700	125	90	60	108	6	9	56	1.5	7.6	3.9	72
45	1125	1050	1500	130	95	65	112	8	9	56	1.5	7.6	4	140
50	2150	950	1300	150	110	75	132	8	9	63	1.5	7.6	6	180
55	2675	850	1200	160	115	82	138	8	11	67	2	7.6	7.2	190
60	3500	800	1100	170	125	90	150	10	11	78	2	7.6	9.2	240
70	5813	650	900	190	140	100	165	10	11	95	2.5	7.6	11.8	320

NOTES

1) T max = 2 × T KN
2) Inner race overruns
3) Outer race overruns
Keyway to DIN 6885.1

Mounting and Coupling

Pictures

Dual Keyway Groove One Way Clutch Bearing 2000RPM Rotation Speed 2

Dual Keyway Groove One Way Clutch Bearing 2000RPM Rotation Speed 3

Dual Keyway Groove One Way Clutch Bearing 2000RPM Rotation Speed 4

Q: How do you pack the goods?

Total less than 25 KG : Each in white box + 19*18*9cm box + 29*28*19CM carton box

Total Weight over 100KG : Carton box + Wooden Box / Wooden Pallet

Q: Can i get the samples from you?

A: It is highly encouraged to ask for the samples for quality check.

Q: Can you promise to deliver the goods in time?

Small items: In stock.
Medium Items: 10-15 Days
Big items: 20-25 Days

　　Main Market:North America, South America, Western Europe, Eastern Europe, Eastern Asia, Southeast Asia, Middle EastBusiness Type:Manufacturer, Trading CompanyBrandsSUMANo. of Employees50~51Annual Sales1000000-2000000Year Established2005Export p.c70% - 80%Changzhou Suma Precision Machinery Co., Ltd was established in 2005, which was a professional and non-stop manufacturer for mechanical parts, integrates into R&D, Design, Manufacturing and Sales . One Way Clutch Bearing: CSK, ASNU, AS , NF, FE, DC, FWD, BWC, AXK, AA, B200, BB, CKA, ... Backstop Clutch : BS, MZ, FSO, HPI, PB, BS...R, NJ, NYD, NF, CKZ, RSBW, AV , ... Overrunning clutch: FXM, GFR, RSCI, RSXM, CKL-A, CKF-A, RSBI, GFK, GV, GVG, BSEU, ... Needle Roller Bearings: HF,HFL, RC, RCB, FC, FCB, OWC, EWC, 1WC, HK, SCE, BCE, IR, ...Cam follower bearings : CF, KR, CFE, CFH, CYR, CYR...S, NATV, NATR, NUTR, KRV, RSTO, ...Spherical Plain Bearings : GE, GE...ES-2RS, GE...DO-2RS, GEG...ES-2RS, GEEW...ES-2RS, GE...UK-2RS, GE...ET-2ES, ... Advantage of Company ?Germany Technology Introduction ensure goods reach an top-level quality . Core Technical Team ensure ability to Find out - Work out problems more efficiently . Over 15 Years Production Experience makes us easier to find out a solution from any industrial field . Superior Equipment Production Line ensure goods produced under strictly quality control . OEM / ODM available significantly save the customer's funds and enlarge the benefits. Advantage of Products High Torque Transmission High Load Capacity Preferable Wear Resistance Free Sample Quality Test Service (specially for small standard item)Pre-Lubricated ensure its Long Life Using Time Application Field With a wide range of variety ( Over 100 different patterns and more than thousands sizes available ), products are widely used in Printing Machine, Packaging Machine ,Conveyor System, Bucket Elevator, Gearbox , Reducer, Gearmotor, Electronics Toy, Hydraulic System and any power transmission industrial field. Market With over 13 years experience, well equipped testing facilities and strict quality control, Changzhou Suma Precision Machinery Co., Ltd products sell well all over the world, the main markets are European, America, Canada, Brazil, India, Asia, etc . It was a certified enterprise with Quality Management System ISO9001:2015, SGS , Safety Certificate of Approval for Mining Products . In the meantime, with accurate control of key process and technical support from engineer team, customized products are also available. Stable product performance and reliable after sales service always are our only way to win customer.HISTORY2005-8-8, Establishd Changzhou Suma Precision Machinery Co.,Ltd. At begining only produce some items of One way clutch bearings like CSK DC ASNU NFS GFR, etc .2012-07-11, Technical Team do R&D , Develop new design of the backstop clutch / overrunning clutch which has big torque transmission, widely used in Mining, Mednical, Conveyor System, Reducer, Gearbox, etc . 2015-03-16, Try to Step into the Needle roller bearings / Cam follower bearings to enlarge the market share . 2018-10-15, Involved in the field of spherical plain bearings and bring great convenience for new and old customers. SERVICEThe business principle of Changzhou Suma Precision Machinery Co., Ltd is human- oriented , customer first, excellent quality, prestige guarantee and perfect service . We anticipate for the cooperation with you and create a better future.Our Service :Give Technical Guidance before order ensure no mistake purchase .Online Trade-Assurance service make client more reliable to do internation business. Update production status frequently to make sure custom know exactly of every details .7/24 hours online quick answer to clear client doubt. Good package to protect no damage or harm during shipment . Supply Technical Manual for client do maintenance .Any quality problem during the warranty period can be negotiated to be solved ( Except for vandalism )One Way Bearing / Sprag Clutch Package for your reference :OUR TEAMWe always believe in that , Running a business is running the " Man " ，Only a united and cohesive team can produce high-quality products 。So we Organize team building activities from time to time to enhance mutual exchanges .