Norelem 23731 Plain bearings with collar

Category - Systems and components for machine and plant construction

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Our catalogue covers a complete variety of products of the Norelem. Norelem develops strong and ingenious products that always detect the resolution for the hard industrial concerns at any second. The Norelem achieves the high standards of equipment performance while creating the modern technologies that upgrade the operating cycle of the industries. The Norelem Norelem 23731 Plain bearings with collar is one of the thoroughlly engineered products. Norelem Norelem 23731 Plain bearings with collar attributes extreme exactness, which distribute large selection of mechanic and automatic outputs to fulfill all application needs. Because of the high quality of constituents, Norelem Norelem 23731 Plain bearings with collar guarantee long duration performance.
As a supreme industrial distributor of wide range of manufacturers, we always devoted to establish brilliant experience to our consumers by supplying vast number of industrial equipment and spare parts at acceptable prices with the brilliant chain of supply in the brief period of time. A top level of determination permit us to deliver products of any measurements in the shortest shipping period and fulfill the requests of our purchasers in the production industry. As for the price and delivery time, please fill in the form or send your order to sales@famaga.us">sales@famaga.us

Description

Plain bearings with collar of German company Norelem is manufactured of first-rate quality materials and is renowned for its exceptionally functional features and outstanding quality, evidenced by certificates ISO 9001 2008, RoHS, REACh and I-Q Net.Norelem offers a wide range of products which are suited for various applications. Brand products are used in machine building, plant engineering applications and other areas.
Material:Base material, steel.Intermediate layer sintered bronze. Bearing surface PTFE.Version:Steel electro zinc-plated.Note:Maintenance-free rolled composite steel plain bearings particularly suitable for dry running. Also highly suitable for lubricated applications (oil lubrication). Very low wear and friction, no stick-slip effect. Suitable for rotary and oscillating movements, high chemical resistance, low water absorption.Technical data:Static load: max. 250 N/mm²Dynamic load: max. 140 N/mm²Friction coefficient, dry: 0.03 to 0.20Sliding speed, dry: max. 2 m/sSliding speed, oil lubricated: max. 5 m/sThermal conductivity: 42 W(m*K)-1Thermal expansion coefficient: 11*10-6 K-1Temperature range: -195°C to +280°CAssembly:The use of a suitable press mandrel is recommended to avoid damaging the bearing surface. The butt joint must be opposite the load zone. The bearing has an interference fit after installation. Gluing is possible but not required.Tolerances:Housing: Recommended tolerance H7.Surface finish Ra 0.8 to 1.6. Chamfer (press-in side 0.8 to 1.2 x 15°). Shaft: Recommended tolerance h8 to f7. For applications at a low speed and small loads drawn shafts with h9 can also be used. Shaft surface Ra 0.4 to 0.8 (preferably ground shafts) for drawn shafts Ra 1.6 to 3.2.Drawing reference:1) Butt joint

Order No.	D	D1	D2	L1	L2	R
23731-00400505	4	5,5	9	5,6	1	0,5
23731-00600807	6	8	12	7	1	1
23731-00801005	8	10	15	5,5	1	1
23731-00801009	8	10	15	9,5	1	1
23731-01001209	10	12	18	9	1	1
23731-01001212	10	12	18	12	1	1
23731-01201417	12	14	20	17	1	1
23731-01401617	14	16	22	17	1	1
23731-01501712	15	17	23	12	1	1
23731-01501717	15	17	23	17	1	1
23731-01601817	16	18	24	17	1	1
23731-01802012	18	20	26	12	1	1
23731-02002311	20	23	30	11,5	1,5	1,5
23731-02202521	22	25	32	21,5	1,5	1,5
23731-02502826	25	28	35	26,5	1,5	1,5
23731-03003430	30	34	42	30	2	2
23731-03503926	35	39	47	26	2	2
23731-04004426	40	44	53	26	2	2
23731-05005522	50	55	65	22	2,5	2