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Contact Person : Ms. Chu Ying
Company Name : Changzhou Tianhe Bearing Technology Co., Ltd.
Tel : 86-519-88137008
Fax : 86-519-88170966
Address : Jiangsu,Changzhou,No. 1002, Building 2, No. 68, Middle Guan River Road, Tianning Dist.
Country/Region : China
Zip : 213033

needle bearing

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Product Detailed

Related Categories:Needle Bearings

needle bearing 1. Standard ISO9001:2000 2. High precision & trustworthy quality 3. OEM service

Needle Roller Bearing

The correct form and dimenssional accuracy of outer ring of drawn cup needle roller bearing is achieved only by press fitting into proper housing with appropriate interference.Thereofre,roller insribed circle diameter is measured after press fitted into a standard ring gauge.

The tolerance zone class of stud diameter d of cam followers is h7,and the tolerance of assembled width of inner ring of roller followers is shown in bearing table.

These tolerance are applied to the bearings before surface treatment.

	Bearing Designation and Mass Approx						Boundary Dimensions			Basic Load Rating		Limiting Speed
Shaft Diameter	Open		Mass	Closed		Mass	FW	D	C	Cr Dynamic	Cor Static	Oil
mm	Current	Original Code	g	Current	Original Code	g	mm			N		rpm
4	HK0408TN	37941/4	1.6	BK0408TN	35941/4	1.8	4	8	8	1540	1070	40000
5	HK0509	47941/5	2	BK0509	45941/5	2.1	5	9	9	2200	1790	36000
7	HK0709	47941/7	2.3	BK0709	45941/7	2.9	7	11	9	2800	2150	27000
13	HK1312	-	8.9	BK1312	-	11.2	13	19	12	6200	7100	17000
45	HK4512	27941/45	34.8	BK4512	25941/45	45	45	52	12	12900	22500	5800
	HK4516	47941/45	46.2	BK4516	45941/45	56	45	52	16	19300	38000	5800
	HK4520	67941/45	56	BK4520	65941/45	72	45	52	20	22000	51000	5800
55	HK5520	57941/55	78	BK5020	-	93.8	55	63	20	29500	59900	4600
	HK5525	77941/55	109	-	55941/55	-	55	63	25	33500	69980	4600
	HK5528	87941/55	111	BK5528	84941/60	132	55	63	28	39090	98000	4600
60	HK6012	-	49.2	BK6012	-	77	60	68	12	12400	29000	4100
60	HK6020	57941/60	86	BK6020	55941/60	105	60	68	20	30500	72000	4100