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Needle Roller Bearing
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Product: Views:493Needle Roller Bearing 
Unit price: Negotiable
Delivery date: Since the payment date Days delivery
Valid until: Long-term effective
Last updated: 2017-09-15 01:37
Model: BK1412 Bore Size: 14mm
Outside Diameter: 20mm Thickness: 12mm
Material: Carbon Steel Cage: Steel

Reputation Product BK1412 14mm × 20mm × 12mm Long Service Life

Needle roller bearings feature a small cross-section, higher load-carrying capacity, greater rigidity, and lower inertia forces that facilitate size and weight reductions in machinery. They're designed to withstand oscillation, perform under severe conditions, and interchange with sliding bearings.

Diverse types of needle roller bearings are available in a wide variety of sizes and tolerances, for a multitude of applications.

  • Needle roller bearings and cage assemblies are offered in single or double row, solid or split cage, metric and inch sizes; as well as in connecting rod bearings for special applications.

  • Single and double row bearings are available with or without ribs, and with or without inner rings.

  • Yoke and stud type track rollers are also available.

Some bearing designations for your reference:

Bearing Code.          Bearing Code.      Closed End Boundary Dimensions

Fw D C C1

HK0306TN BK0306TN 3 6.5 6 5.2
HK0408TN BK0408TN 4 8 8 6.4
HK0509 BK0509 5 9 9 7.4
HK0609 BK0609 6 10 9 7.4
HK0709 BK0709 7 11 9 7.4
HK0808 BK0808 8 12 8 6.4
HK0810 BK0810 8 12 10 8.4
HK0910 BK0910 9 13 10 8.4
HK0912 BK0912 9 13 12 10.4
HK1010 BK1010 10 14 10 8.4
HK1012 BK1012 10 14 12 10.4
HK1015 BK1015 10 14 15 13.4
HK1210 BK1015 12 16 10 8.4
HK1212 BK1212 12 18 12 9.3
HK1312 BK1312 13 19 12 9.3
HK1412 BK1412 14 20 12 9.3
HK1512 BK1512 15 21 12 9.3
HK1516 BK1516 15 21 16 13.3
HK1612 BK1612 16 22 12 9.3
HK1616 BK1616 16 22 16 13.3
HK1812 BK1812 18 24 12 9.3
HK1816 BK1816 18 24 16 13.3

Needle roller bearing used for general engineer:

1.open type drawn cup needle roller bearing(1)

2.closed type drawn cup needle roller bearing(2)

3.needle roller bearing with inner ring(3)

4.needle roller bearing without inner ring/ needle roller bearing without inner ring and cage(4)

5. full needle roller bearing with cage or without cage(5)

Type of needle roller bearing:

1.radial needle and cage component

2.NA,NKI needle roller bearing

3.RNA,NK needle roller bearing without inner ring 

4.HK type drawn cup caged needle roller bearing 

5.BK type drawn cup caged needle roller bearing 

Metric needle roller bearing: 


Inch needle roller bearing: 


1.RS--- single side sealed with metric system

2.2RS--- double sealed with metric system

3.P--- single side sealed with inch system

4.PP--- double sealed with inch system 

5.STO--no outer wall,an inner ring roller bearing

More introduction on the needle roller bearing

RNA22...2RS double sealed, no inner ring roller bearing 

NA22..2RS double sealed, an inner ring roller bearing 

NATR...PP flat ring axial guide roller bearing 

NATV...PP flat ring axial guide roller bearing, full needle 

NUTR rolling body guide roller bearing, full roller 

CRY inch flat ring guide roller bearing 

ASI/OH--oil hole;HK,BA,TA..Z--drawn cup caged needle roller bearing with open end;BK,TAM,TLAM--drawn cup

 caged needle roller bearing with closed end. 

1.F--drawn cup caged full needle roller bearing with open end

2.FY,YT--drawn cup caged full needle roller bearing with open end(grease limit)

3.FH,YTL--drawn cup caged full needle roller bearing with open end(heavy series)

4.MF--drawn cup caged full needle roller bearing with closed end

5.MFH--drawn cup caged full needle roller bearing with closed end

6.SCE--drawn cup caged needle roller bearing with open end

7.BCE--drawn cup caged needle roller bearing with closed end

8.SCH--drawn cup caged needle roller bearing with open end

9.BCH--drawn cup caged needle roller bearing with closed end

10.SN--drawn cup caged full needle roller bearing with open end

11.B--drawn cup caged full needle roller bearing with open end 

12.BH--drawn cup caged full needle roller bearing with open end(heavy series) 

13.M--drawn cup caged full needle roller bearing with closed end

14.MH--drawn cup caged full needle roller bearing with closed end(heavy series) 

Type of needle roller bearing: 

1.needle roller thrust bearing 

2.combined needle roller bearing 

Single way needle roller bearing