BK 0408 Needle roller bearings manufacturers and suppliers in China

Payment & Shipping Terms		Supply Capacity
Payment Terms:	L/C, T/T, WU	Production Capacity:	100000 Piece/Pieces...
Min. Order:	1000 Piece/Pieces	Packing:	RNB OR NATURAL
Means of Transport:	Ocean, Air	Delivery Date:	30days

Needle roller bearings, drawn cup

Outer ring for drawn cup needle roller bearings(DC type) is made of cold rolled steel strip accurately formed.Structure of DC needle roller bearings features space saving and higher capacity.They are suitable for applications with limited space and housing not hard enough to act as raceway. No requirement on axial location when the DC needle roller bearing is pressed into the housing.

In most applications inner ring is not necessary for DC needle roller bearings unless shaft raceway is impractical,standard inner rings for DC to compare with open end DC needle roller bearings, close end DC needle roller bearings are good for sealing at the close end of bearings,operating temperature range for bearings grease lubricated are 20℃ to +120℃.

1. Structures of various series of drawn cup needle rollers
Metricseries: HK, BK, F, FH, FY, MF, MFH, MFY
Inch series: SCE, BCE, SCH, BCH,SN, B, BH, M, MH

     HK: Caged, with open ends
     BK: Caged, with open ends
     F   : Full complement, with open ends
     FH : Full complement, with openends(Heavy series)
     FY : Full complement, grease retained, with openends
     MF : Full complement, with closed ends
     MFH: Fullcomplement, with closed ends(heavy series)
     MFY: Full complement, withclosed ends
     SCE: Caged, with open ends
     BCE: Caged, with closedends
     SCH: Caged, with open ends(heavy series)
     BCH: Caged, withclosed ends(heavy series)
     SN   : Full complement, grease retained, withopen ends
     B      : Full complement, with open ends
     BH   : Fullcomplement, with open ends(heavy series)
     M      : Full complement, withclosed ends
     M H : Full complement, with closed ends (heavyseries)

2. Inspection the enveloping circle diameter

    The dimensional accuracy of drawn cup needle roller bearings can not bemeasured before fitting
    without a ring gauge as the thin-walled outerring can be out of round due to the manufacturing process.
    The bearingsobtain the accuracy required for their correct function only when pressed into ahousing
     bore which must be manufactured with the recommended tolerancelimits.

The enveloping circle diameter can then be checked as follows:

a. Press the bearing into a steel ring gauge(wall thickness ≥ 20mm).Thebore dimension of the ring
gauge must correspond to thatgiven.

b. Measure the enveloping circle diameter with cylindrical go and no-gogauge plugs.

Needle roller bearings, drawn cup

Designation	Principal dimensions/mm			Load Ratings/KN		Limitingspeed		Mass
Item	d	D	B	Cr	Cor	r/min	r/min	kg
HK 0306 TN	3	6,5	6	1,23	0,88	24000	26000	0,0010
BK 0408	4	8	8	1,76	1,37	22000	26000	0,0021
HK 0408	4	8	8	1,76	1,37	22000	26000	0,0020
BK 0509	5	9	9	2,38	2,08	22000	24000	0,0021
HK 0509	5	9	9	2,38	2,08	22000	24000	0,0020
HK 0606	6	10	6	1,72	1,29	22000	20000	0,0015
HK 0608	6	10	8	2,01	1,73	20000	22000	0,0021
BK 0609	6	10	9	2,81	2,7	20000	22000	0,0026
HK 0609	6	10	9	2,81	2,7	20000	22000	0,0025
BK 0709	7	11	9	3,03	3,05	20000	22000	0,0029
HK 0709	7	11	9	3,03	3,05	20000	22000	0,0026
BK 0808	8	12	8	2,7	2,75	19000	22000	0,0030
HK 0808	8	12	8	2,7	2,75	19000	22000	0,0027
BK 0810	8	12	10	3,69	4,05	19000	22000	0,0034
HK 0810	8	12	10	3,69	4,05	19000	22000	0,0030
HK 0810 RS	8	12	10	2,7	2,75	19000	13000	0,003
HK 0810.2RS	8	12	10	2,3	2,04	13000	19000	0,0032
HK 0812 RS	8	12	12	3,69	4,05	13000	19000	0,0031
HK 0812.2RS	8	12	12	2,7	2,75	-	13000	0,0033
HK 0908	9	13	8	3,52	3,9	20000	20000	0,0030
BK 0910	9	13	10	4,13	4,8	18000	20000	0,0043
HK 0910	9	13	10	4,13	4,8	18000	20000	0,0040
BK 0912	9	13	12	5,12	6,4	18000	20000	0,0049
HK 0912	9	13	12	5,12	6,4	18000	20000	0,0046
BK 1414 RS	14	20	14	6,82	8,65	15000	9500	0,013
HK 1414 RS	14	20	14	6,82	8,65	15000	9500	0,012
HK 1416.2RS	14	20	16	6,82	8,65	-	9500	0,013
BK 1512	15	21	12	7,65	9,5	15000	16000	0,013
HK 1512	15	21	12	7,65	9,5	15000	16000	0,011
HK 1514 RS	15	21	14	7,48	10	15000	9500	0,012
BK 1516	15	21	16	10,1	14,6	15000	16000	0,017
HK 1516	15	21	16	10,1	14,6	15000	16000	0,015
HK 1516.2RS	15	21	16	7,48	10	-	9500	0,015
HN 1516	15	21	16	14,5	28	15000	12000	0,014
HK 1518 RS	15	21	18	10,1	14,6	15000	9500	0,016
HK 1520.2RS	15	21	20	10,1	14,6	-	9500	0,018
HK 1522	15	21	22	13	20	15000	16000	0,020
BK 1612	16	22	12	7,37	9,8	14000	16000	0,014
HK 1612	16	22	12	7,37	9,8	14000	16000	0,012
HN 1612	16	22	12	11,2	20,4	15000	12000	0,013
BK 1614 RS	16	22	14	7,37	9,8	14000	9000	0,015
HK 1614 RS	16	22	14	7,37	9,8	14000	9000	0,013
BK 1616	16	22	16	10,5	15,6	14000	16000	0,018
HK 1616	16	22	16	10,5	15,6	14000	16000	0,016
HK 1616.2RS	16	22	16	7,37	9,8	-	9000	0,014
HK 1620.2RS	16	22	20	11	14,6	-	9000	0,018
BK 1622	16	22	22	12,8	19,6	14000	16000	0,024
HK 1622	16	22	22	12,8	19,6	14000	16000	0,022
HK 1712	17	23	12	7,65	10,6	14000	15000	0,012
HN 2820	28	35	20	28,1	68	9000	7000	0,044
BK 3012	30	37	12	11,7	18,3	8000	9000	0,028
HK 3012	30	37	12	11,7	18,3	8000	9000	0,023
BK 3016	30	37	16	16,5	29	8000	9000	0,038
HK 3016	30	37	16	16,5	29	8000	9000	0,031
HK 3016.2RS	30	37	16	11,7	18,3	-	5600	0,031
HK 3018 RS	30	37	18	16,5	29	8000	5600	0,037
BK 3020	30	37	20	20,9	40	8000	9000	0,047
HK 3020	30	37	20	20,9	40	8000	9000	0,039
HK 3020.2RS	30	37	20	16,5	29	-	5600	0,036
HK 3022	30	37	22	23,8	46,5	9000	8000	0,042
HK 3024.2RS	30	37	24	20,9	40	-	5600	0,044
BK 3026	30	37	26	27	54	8000	9000	0,058
HK 3026	30	37	26	27	54	8000	9000	0,051
BK 3038	30	37	38	35,8	80	8000	9000	0,084
HK 3038	30	37	38	35,8	80	8000	9000	0,076
HK 3220	32	39	20	22	43	8500	7500	0,041
HK 3224	32	39	24	26,4	54	8500	7500	0,049
HK 3512	35	42	12	12,5	21,6	7000	8000	0,027
HK 3516	35	42	16	17,9	34	7000	8000	0,036
HK 3516.2RS	35	42	16	12,5	21,6	-	5000	0,032
HK 3518 RS	35	42	18	17,9	34	7000	5000	0,039
BK 3520	35	42	20	22,9	46,5	7000	8000	0,053
HK 3520	35	42	20	22,9	46,5	7000	8000	0,044
HK 3520.2RS	35	42	20	17,9	34	-	5000	0,041
HK 6012	60	68	12	17,6	32	4300	4800	0,049
HK 6020	60	68	20	31,9	75	4300	4800	0,081
HK 6032	60	68	32	51,2	137	4300	4800	0,14

Category: Drawn Cup Needle Roller Bearings

Model:	BK 0408
Place of Origin:	Zhejiang,China (Mainland)
Brand Name:	RNB OR NATURAL
Number of row:	Single row
Type:	Roller bearing
Material of race:	ST14
Material of Needle roller:	Chrome steel
Precision:	P0

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BK 0408 Needle roller bearings

Product Description