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INA Machined-ring needle bearings
Source：Guowei Bearing Co., Ltd.   Read：1776
 

INA Machined-ring needle bearings separable type. The machined ring of needle roller bearingshas no rib or side plate, so that the outer ring and the needle roller , cages assembly are separable from each other. The machined ring needle roller bearings are suitable for an applicantion requiring high running accuracy bacause the resultant radial clearance can be retained in a narrow range by selection and combination of appropriate inner ring , outer ring and needle roller and cage assembly.
The main designs are type RNAO, type RNAO...ZW, type NAO, type NAO...ZW. The dimensional accuracy, profile accuracy and running accuracy of machined ring needle roller bearings separate type are in high accuracy. The inner ring and outer ring of any machined ring needle bearings, separable type must both be positioned in axial direction by shoulder or a snap ring.
The following are INA machined ring needle bearings common used in the industry,

RNA 4840 NA 22/6.2RS NKS 24 NA 4902 RS
NKI 9/16 NK 10/12 TN NATV 30 NK 35/20
RPB 15 RNA 22/6.2RS NA 4914 RNA 4903
NA 4840 NKI 50/35 NK 68/25 NKIB 5902
NK 19/20 RNAO 40X55X20 RNA 4915 NATR 20
RNA 4844 NA 22/8.2RS NKS 25 NA 4903
NKI 90/26 NK 10/16 TN NATV 30 PP NK 35/30
RPB 17 RNA 22/8.2RS NA 4915 RNA 4903.2RS
NA 4844 NKI 55/25 NK 68/35 NKIB 5903
NK 20/16 RNAO 40X55X40 RNA 4916 NATR 20 PP
RNA 4848 NA 2200.2RS NKS 28 NA 4903.2RS
NKI 90/36 NK 100/26 NATV 35 PP NK 37/20
RPB 20 RNA 2200.2RS NA 4916 RNA 4903 RS
NA 4848 NKI 55/35 NK 7/10 TN NKIB 5904
NK 20/20 RNAO 45X55X17 RNA 4917 NATR 25
RNA 4852 NA 2201.2RS NKS 30 NA 4903 RS
NKI 95/26 NK 100/36 NATV 40 PP NK 37/30
RPB 25 RNA 2201.2RS NA 4917 RNA 4904
NA 4852 NKI 6/12 TN NK 7/12 TN NKIB 5905
NK 21/16 RNAO 45X62X40 RNA 4918 NATR 25 PP
RNA 4856 NA 2202.2RS NKS 32 NA 4904
NKI 95/36 NK 105/26 NATV 5 NK 38/20
RPB 30 RNA 2202.2RS NA 4918 RNA 4904.2RS
NA 4856 NKI 6/16 TN NK 70/25 NKIB 5906
NK 21/20 RNAO 50X62X20 RNA 4919 NATR 30
RNA 4860 NA 2203.2RS NKS 35 NA 4904.2RS
NKIA 59/22 NK 105/36 NATV 50 PP NK 38/30
RPNA 15/28 RNA 2203.2RS NA 4919 RNA 4904 RS
NA 4860 NKI 60/25 NK 70/35 NKIB 5907
NK 22/16 RNAO 50X65X20 RNA 4920 NATR 30 PP
RNA 4864 NA 2204.2RS NKS 37 NA 4904 RS
NKIA 5901 NK 110/30 NATV 5 PP NK 40/20
RPNA 18/32 RNA 2204.2RS NA 4920 RNA 4905
NA 4864 NKI 60/35 NK 73/25 NKIB 5908
NK 22/20 RNAO 50X65X40 RNA 4922 NATR 35 PP
RNA 4868 NA 2205.2RS NKS 40 NA 4905
NKIA 5902 NK 110/40 NATV 6 NK 40/30
RPNA 20/35 RNA 2205.2RS NA 4922 RNA 4905.2RS
NA 4868 NKI 65/25 NK 73/35 NKIB 5909
NK 24/16 RNAO 55X68X20 RNA 4924 NATR 40 PP
RNA 4872 NA 2206.2RS NKS 43 NA 4905.2RS
NKIA 5903 NK 12/12 NATV 6 PP NK 42/20
RPNA 25/42 RNA 2206.2RS NA 4924 RNA 4905 RS
NA 4872 NKI 65/35 NK 75/25 NKIB 5910
NK 24/20 RNAO 5X10X8 TN RNA 4926 NATR 5
RNA 4876 NA 2207.2RS NKS 45 NA 4905 RS
NKIA 5904 NK 12/16 NATV 8 NK 42/30
RPNA 28/44 RNA 2207.2RS NA 4926 RNA 4906
NA 4876 NKI 7/12 TN NK 75/35 NKIB 5911
NK 25/16 RNAO 60X78X20 RNA 4928 NATR 50 PP
RNA 49/22 NA 2208.2RS NKS 50 NA 4906
NKIA 5905 NK 14/16 NATV 8 PP NK 43/20
RPNA 30/47 RNA 2208.2RS NA 4928 RNA 4906.2RS
NA 49/22 NKI 7/16 TN NK 8/12 TN NKIB 5912
NK 25/20 RNAO 60X78X40 RNA 69/22 NATR 5 PP
RNA 49/28 NA 2210.2RS NKS 55 NA 4906.2RS
NKIA 5906 NK 14/20 NA 69/22 NK 43/30
RPNA 35/52 RNA 4822 NK 8/16 TN RNA 4906 RS
NA 49/28 NKI 70/25 RNA 69/28 NKIB 5913
NK 26/16 RNAO 65X85X30 NKS 60 NATR 6
RNA 49/32 NA 4822 NA 69/28 NA 4906 RS
NKIA 5907 NK 15/16 NK 80/25 NK 45/20
RPNA 40/55 RNA 4824 RNA 69/32 RNA 4907
NA 49/32 NKI 70/35 NKS 65 NKIB 5914
NK 26/20 RNAO 6X13X8 TN NA 69/32 NATR 6 PP
RNA 4900 NA 4824 NK 80/35 NA 4907
NKIA 5908 NK 15/20 RNA 6901 NK 45/30
RPNA 45/62 RNA 4826 NKS 70 RNA 4907.2RS
NA 4900 NKI 75/25 NA 6901 NKIS 15
NK 28/20 RNAO 70X90X30 NK 85/25 NATR 8
RNA 4900.2RS NA 4826 RNA 6902 NA 4907.2RS
NKIA 5909 NK 16/16 NKS 75 NK 47/20
NATR 10 RNA 4828 NA 6902 RNA 4907 RS
NA 4900.2RS NKI 75/35 NK 85/35 NKIS 17
NK 28/30 RNAO 7X14X8 TN RNA 6903 NATR 8 PP
RNA 4900 RS NA 4828 NKX 10 TN NA 4907 RS
NKIA 5910 NK 16/20 NA 6903 NK 47/30
NATR 10 PP RNA 4830 NK 9/12 TN RNA 4908
NA 4900 RS NKI 80/25 RNA 6904 NKIS 20
NK 29/20 RNAO 80X100X30 NKX 10 Z TN NATV 10
RNA 4901 NA 4830 NA 6904 NA 4908
NKIA 5911 NK 17/16 NK 9/16 TN NK 5/10 TN
NATR 12 RNA 4832 RNA 6905 RNA 4908.2RS
NA 4901 NKI 80/35 NKX 12 NKIS 25
NK 29/30 RNAO 8X15X10 TN NA 6905 NATV 10 PP
RNA 4901.2RS NA 4832 NK 90/25 NA 4908.2RS
NKIA 5912 NK 17/20 RNA 6906 NK 5/12 TN
NATR 12 PP RNA 4834 NKX 12 Z RNA 4908 RS
NA 4901.2RS NKI 85/26 NA 6906 NKIS 30
NK 30/20 RNAO 90X105X26 NK 90/35 NATV 12
RNA 4901 RS NA 4834 RNA 6907 NA 4908 RS
NKIA 5913 NK 18/16 NKX 15 NK 50/25
NATR 15 RNA 4836 NA 6907 RNA 4909
NA 4901 RS NKI 85/36 NK 95/26 NKIS 35
NK 30/30 RNAO 90X110X30 RNA 6908 NATV 12 PP
RNA 4902 NA 4836 NKX 15 Z NA 4909
NKIA 5914 NK 18/20 NA 6908 NK 50/35
NATR 15 PP RNA 4838 NK 95/36 RNA 4909.2RS
NA 4902 NKI 9/12 RNA 6909 NKIS 40
NK 32/20 RPB 12 NKX 17 NATV 15
RNA 4902.2RS NA 4838 NA 6909 NA 4909.2RS
NKIB 59/22 NK 19/16 NKI 10/16 NK 55/25
NATR 17 NKS 20 RNA 6910 RNA 4909 RS
NA 4902.2RS NATV 25 NKX 17 Z NKIS 45
NK 32/30 NA 4912 NA 6910 NATV 15 PP
RNA 4902 RS NK 65/25 NKI 10/20 NA 4909 RS
NKIB 5901 RNA 4913 RNA 6911 NK 55/35
NATR 17 PP NKS 22 NKX 20 RNA 4910
NK 6/12 TN NATV 25 PP RNA 4911 NKIS 50
RNA 4910 RS NA 4913 NKIS 65 NATV 17
NKIS 60 NK 65/35 NATV 20 PP NA 4910
NATV 20 RNA 4914 NA 4911 NK 6/10 TN
NA 4910 RS NA 4910.2RS NK 60/35 RNA 4910.2RS
NK 60/25 NATV 17 PP RNA 4912 NKIS 55

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