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Japan Needle Roller Bearings (R) Na6911 with Inner Ring 55*80*45

China Japan Needle Roller Bearings (R) Na6911 with Inner Ring 55*80*45, Find details about China Germany Auto Bearing, Na6900 Bearing Na6902 Bearing from Japan Needle Roller Bearings (R) Na6911 with Inner Ring 55*80*45

Model NO.
NA6911
Trademark
IKC, SKF, NSK, NTN, KOYO, NACHI, TIMKEN
Specification
CE, RoHS, SGS, GMP
Origin
China, Japan, Germany, France, Italy, USA
Model NO.
NA6911
Trademark
IKC, SKF, NSK, NTN, KOYO, NACHI, TIMKEN
Specification
CE, RoHS, SGS, GMP
Origin
China, Japan, Germany, France, Italy, USA
IKO NTN NACHI TIMKEN NSK SKF needle roller Bearings

Needle
03-60mm
6.5-68mm
HK BK SCE BH J JH TA TLA
Single Row or Double Row
High
OPEN, Z, ZZ, RS, 2RS
Plastic bag, Inner box, Carton, Wooden pallet
20GrMo, GCr15
C2, C3, C4, C5
ABEC-1, ABEC-3, ABEC-5, ABEC-7

RNA4912 RNA69/28 RNA6912 RNAO25X37X16 K10× 13× 13 R18/13 K20× 24× 10 HK0709
RNA4913 RNA69/28 RNA6912 RNAO30X40X17 K10× 14× 10 R18/17 K20× 24× 13 HK0810
RNA4913 RNA69/28 RNA6913 RNAO30X42X16 K10× 14× 13 R20/10 K20× 24× 17 HK0910
RNA4913 RNA69/32 RNA6913 RNAO30X42X32 K12× 15× 10 R20/13 K20× 26× 17 HK0912
RNA4914 RNA69/32 RNA6913 RNAO35X45X13 K12× 15× 13 R20/17-1 K22× 26× 10 HK1010
RNA4914 RNA69/32 RNA6914 RNAO35X45X17 K12× 16× 13 R22/10 K22× 26× 13 HK1012
RNA4914 RNA6901 RNA6914 RNAO35X45X26 K14× 18× 10 R22/13 K22× 26× 17 HK1210
RNA4915 RNA6901 RNA6914 RNAO35X47X16 K14× 18× 17 R22/17 K25× 29× 10 HK1412
RNA4915 RNA6901 RNA6915 RNAO35X47X18 K15× 19× 13 R25/10 K25× 29× 13 HK1416
RNA4915 RNA6902 RNA6915 RNAO35X47X32 K15× 20× 13 R25/13-1 K25× 29× 17 HK1512
RNA4916 RNA6902 RNA6915 RNAO40X50X17 K16× 20× 13 R25/17 K28× 33× 13 HK1516
RNA4916 RNA6902 RNA6916 RNAO40X50X34 K16× 20× 17 R28/13 K28× 33× 27 HK1612
RNA4916 RNA6903 RNA6916 RNAO40X55X20 K16× 22× 17 R28/27 K30× 35× 13 HK1616
RNA4917 RNA6903 RNA6916 RNAO40X55X40 K17× 21× 10 R30/13-1 K30× 35× 17 HK1712
RNA4917 RNA6903 RNA6917 RNAO45X55X17 K17× 21× 13 R30/17 K30× 37× 20 HK1812
RNA4917 RNA6904 RNA6917 RNAO50X62X20 K18× 22× 10 R32/17-1 K32× 37× 17 HK1816

- K16× 20× 13 K20× 26× 20 K42× 47× 13 NA4834 NA4920 NK16/16 NK5/10
- K16× 20× 17 K22× 26× 10 K42× 47× 27 NA4836 NA4922 NK17/16 NK5/12
BK0408 K16× 22× 12 K22× 26× 13 K45× 50× 17 NA4838 NA4924 NK17/20 NK50/25
BK0509 K16× 22× 17 K22× 26× 17 K45× 50× 27 NA4840 NA4926 NK18/16 NK50/35
BK0609 K17× 21× 10 K25× 29× 10 K45× 53× 20 NA4844 NA4928 NK18/20 NK55/25
BK0709 K17× 21× 13 K25× 29× 13 K45× 53× 25 NA4848 NA69/22 NK19/16 NK55/35
BK0810 K17× 21× 15 K25× 29× 17 K48× 53× 17 NA4852 NA69/28 NK19/20 NK6/10
BK0910 K17× 21× 17 K25× 30× 13 K50× 55× 20 NA4856 NA69/32 NK20/16 NK6/12
BK0912 K18× 22× 10 K25× 30× 17 K50× 58× 20 NA4860 NA6901 NK20/20 NK60/25
BK1010 K18× 22× 13 K25× 30× 20 K50× 58× 25 NA4864 NA6902 NK21/16 NK60/35
BK1012 K18× 22× 17 K25× 31× 17 K55× 60× 25 NA4868 NA6903 NK21/20 NK65/25
BK1210 K18× 23× 20 K25× 32× 16 K55× 61× 20 NA4872 NA6904 NK22/16 NK65/35
BK1412 K18× 24× 12 K28× 33× 13 K55× 63× 20 NA49/22 NA6905 NK22/20 NK68/25

BK1416 K18× 24× 17 K28× 33× 17 K5× 8× 10 NA49/28 NA6906 NK24/16 NK68/35
BK1512 K18× 24× 20 K28× 33× 27 K5× 8× 8 NA49/32 NA6907 NK24/20 NK7/10
BK1516 K20× 24× 10 K28× 34× 17 K60× 68× 20 NA49/5 NA6908 NK25/16 NK7/12
BK1612 K20× 24× 13 K28× 35× 16 K60× 68× 25 NA49/6 NA6909 NK25/20 NK70/25
BK1616 K20× 24× 17 K30× 35× 13 K65× 73× 30 NA49/7 NA6910 NK26/16 NK70/35
Characteristic of IXIN needle roller bearings
 
Drawn cup needle roller bearings
Structure:This bearings has open ends and closed ends 2 types, gererally shaft diameter from φ 6~φ 60mm, multi-lips seal available.
Accuracy:Needle mutual tolorence 2μ m, precision grade G2(ISO/GB309), Thin section out ring will be affected by rigid housing.
Material:Needle: GCr15 (100Cr6), Drawing cup and cage can use carbon steel
Instruction:Working temperature: -30_ +100.
  
Needle roller bearings
Structure:This kind of bearing has multiple structures, such as narrow & wide type, with or without inner races, cages, ribs or seals.
Accuracy:Dimensional tolerance and geometrical accuracy is based on GB/T 5801(ISO. 1206)
The mutual-difference of needle' s diameter is 2μ m, precision grade G2(ISO/GB309)
The diameter of inscribed circle conforms to tolerance grade F6 before the fitting of outer ring with cage and roller assembly.
Clearance conforms to the value defined by 0 group of GB/T4604 (ISO 5753)
Special precision grade is based on GB/T307 (ISO 492, DIN 620)
Materials:Material for needle roller is GCr15 (100Cr6) bearing steel, quench-hardness HRC60---65.
Material for inner and outer rings is GCr15 (100Cr6) bearing steel, quench-hardess HRC61---65.
Material for cages is low-carbon steel or nylon 66
Instruction:Bearing running clearance and inner-cutting roundness should be regulated according to different conditions.
Machine tools should be used for press-in fitting or thermal fitting of the bearing
Limited by plastic cages (suffixed with TN) and sealing-element material, operating temperature is -300C---+1000C.
 
Needle roller and cage assemblies
Structure:There are single-row K-type and double-row K^ ZW-type for this kind of bearings. Special structure of single row K^ D-type and double row K^ ZW-type can be available according to the special structural requirements of customers.
Accuracy:Mutual difference of needle rollers is 2μ m, and the precision class is G2 (ISO/GB309).
The assembly nominal width Bc is - 0.20 for upper deviation and  -0.5 for lower deviation.
Materials:Material for needle roller adopt GCr15 (100Cr6) bearing steel.
Material for cages can be quality low-carbon steel, low-alloy steel and nylon66.
Instruction:The width of axial location is based on the assembly nominal-width Bc and conforms to the tolerance defined in H12 regulation.
For plastic cages TN type, operating temperature is less than +120C during continuous work.
 
Axial thrust needle roller and cage assemblies
Structure:Various structures of thrust balls, needle rollers and cylindrical rollers are available. For cages, steel and non-ferrous metal can be avaiable by machined or punched.
Accuracy:Dimension tolerance and geometrical accuracy conform to GB/T307 (ISO492/DIN620)
Matched cylindrical roller precision grade is III(ISO GB/T4661).
Mutual difference of needle roller diameter is 2μ m, and the precision grade is G2 (ISO GB309)
Materials:Material for rolling rings and elements is GCr15 (100Cr6) bearing steel, quench-hardness HRC60---65.
Material for thrust washer is GCr15 (100Cr6) bearing steel, quench-hardness HRC61---65.
Material for punched parts is carbon steel.
Material for cages is carbon steel or non-ferrous metal.
 
Combined needle roller/axial ball, roller bearings
Structure:Various type as needle roller/axial ball, needle roller/angular contact ball, needle roller/cylindrical roller, needle roller/axial roller
Accuracy:Dimension tolerance and geometrical accuracy conform to ISO/JB/T 8877.
Redial clearance conform to GB/T 4604/ISO 5753
Needle/cylindrical roller precision grade is II (ISO GB/T4661).
Mutual difference of needle roller diameter is 2μ m, and the precision grade is G2 (ISO GB309)
Materials:Material for rolling rings and elements is GCr15 (100Cr6) bearing steel, quench-hardness HRC60---65.
Material for thrust washer is GCr15 (100Cr6) bearing steel, quench-hardness HRC61---65.
Material for punched parts is carbon steel.
Material for cages is carbon steel or non-ferrous metal.
Instruction:The table data of load, speed and mass is for reference only. For plastic cage TN type, the working themperrature is less than 120 in continuous working and 180 in short working.
TN1 nylon, TN2 polysulfone, TN3 polyimide, TN4 polycarbonate, TN5 polyformal dehyde
 

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