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Inner Race

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#318099
NA 4903.2RS
SKF NA 4903.2RS needle roller bearing, 17mm bore, double sealed. Machined cage for high radial load capacity in compact spaces. Suitable for gearboxes, pumps, and automotive applications.
Brand SKF Bearing
Model NA 4903.2RS
$106.08 Each
Free Shipping orders over $100
#318283
NKI 10/20
SKF NKI 10/20 is a 10mm bore needle roller bearing with a 22mm outer diameter and 20mm width. This single-row caged needle roller bearing offers high radial load capacity in a compact cross-section. Suitable for applications with limited radial space such as gearboxes, pumps, and automotive transmissions.
Brand SKF Bearing
Model NKI 10/20
$42.96 Each
Free shipping
#318426
NA 4848
SKF NA 4848 is a bearing with a 9 4/9 in bore and 11 4/5 in outer diameter. Constructed from bearing steel with a cage, this unit is suitable for industrial applications requiring reliable radial support.
Brand SKF Bearing
Model NA 4848
$2,265.35 Each
Free Shipping orders over $100
#859103
IRR-1-3/4
Smith Bearing IRR-1-3/4 inner race with 1.7500" bore, 2.2489" outside diameter, and 1.760" overall width. Bore tolerance +0.0000/-0.0005, OD tolerance +0.0000/-0.0007. Max shaft fillet 0.060". Precision ground for use with cam followers and track rollers.
Brand Smith Bearings
Model IRR-1-3/4
$22.23 Each
Free shipping
#860856
IRB68
IKO Bearing IRB68 Inner Ring, Inch , 3/8" Inside Diameter, 9/16" Outside Diameter, 13.08 mm Width, For Shell Type, High Carbon Steel, To Assemble with BA98Z, BHA98Z and YB98
Brand IKO Bearing
Model IRB68
$8.32 Each
Free shipping
#860896
LRB121612
IKO Bearing LRB121612 Inner Ring, Inch, 3/4" Inside Diameter, 1" Outside Diameter, 19.300 mm Width, General Usage, High Carbon Steel, With Oil Hole , To Assemble with BR162412
Brand IKO Bearing
Model LRB121612
$11.18 Each
Free shipping
#860916
IRT1020-1
IKO IRT1020-1 IRT - SERIES
Brand IKO Bearing
Model IRT1020-1
$9.34 Each
Free shipping
#861010
IRT1520-1
IKO IRT1520-1 IRT - SERIES
Brand IKO Bearing
Model IRT1520-1
$10.38 Each
Free shipping
#861049
IRT1025-1
IKO IRT1025-1 IRT - SERIES
Brand IKO Bearing
Model IRT1025-1
$10.87 Each
Free shipping
#861185
IRB1416
IKO Bearing IRB1416 Inner Ring, Inch , 7/8" Inside Diameter, 1 1/8" Outside Diameter, 25.78 mm Width, For Shell Type, High Carbon Steel, To Assemble with BA1816Z, BHA1816Z and YB1816
Brand IKO Bearing
Model IRB1416
$12.86 Each
Free shipping
#861248
IRB1616
IKO Bearing IRB1616 Inner Ring, Inch , 1" Inside Diameter, 1 1/4" Outside Diameter, 25.78 mm Width, For Shell Type, High Carbon Steel, To Assemble with BA2016Z, BHA2016Z and YB2016
Brand IKO Bearing
Model IRB1616
$13.77 Each
Free shipping
#861302
WS3047
IKO Bearing WS3047 Inner Ring for Thrust Roller Bearing, Metric, 30 mm Inside Diameter, 47 mm Outside Diameter
Brand IKO Bearing
Model WS3047
$14.63 Each
Free shipping
#861497
IRB2020
IKO Bearing IRB2020 Inner Ring, Inch , 1 1/4" Inside Diameter, 1 1/2" Outside Diameter, 32.130 mm Width, For Shell Type, High Carbon Steel, To Assemble with BA2420Z and YB2420
Brand IKO Bearing
Model IRB2020
$18.24 Each
Free shipping
#861542
LRT505525
IKO Bearing LRT505525 Inner Ring, Metric, 50 mm Inside Diameter, 55 mm Outside Diameter, 25 mm Width, General Usage, High Carbon Steel, To Assemble with TAF556825
Brand IKO Bearing
Model LRT505525
$18.89 Each
Free shipping
#862079
IRT5530
IKO Bearing IRT5530 Inner Ring, Metric, 55 mm Inside Diameter, 65 mm Outside Diameter, 30.5 mm Width, For Shell Type, High Carbon Steel, To Assemble with TA6530Z
Brand IKO Bearing
Model IRT5530
$36.34 Each
Free shipping
#862143
LRTZ657226
IKO Bearing LRTZ657226 Inner Ring, Metric, 65 mm Inside Diameter, 72 mm Outside Diameter, 26 mm Width, General Usage, High Carbon Steel, To Assemble with RNA4913UU
Brand IKO Bearing
Model LRTZ657226
$38.71 Each
Free shipping
#862300
LRTZ556346
IKO Bearing LRTZ556346 Inner Ring, Metric, 55 mm Inside Diameter, 63 mm Outside Diameter, 46 mm Width, General Usage, High Carbon Steel, To Assemble with RNA6911UU
Brand IKO Bearing
Model LRTZ556346
$44.44 Each
Free shipping
#862378
LRTZ708031
IKO Bearing LRTZ708031 Inner Ring, Metric, 70 mm Inside Diameter, 80 mm Outside Diameter, 31 mm Width, General Usage, High Carbon Steel, To Assemble with RNA4914UU
Brand IKO Bearing
Model LRTZ708031
$47.95 Each
Free shipping
#862518
WS85110
IKO Bearing WS85110 Inner Ring for Thrust Roller Bearing, Metric, 85 mm Inside Diameter, 110 mm Outside Diameter
Brand IKO Bearing
Model WS85110
$56.48 Each
Free shipping
#862618
LRTZ758531
IKO Bearing LRTZ758531 Inner Ring, Metric, 75 mm Inside Diameter, 85 mm Outside Diameter, 31 mm Width, General Usage, High Carbon Steel, To Assemble with RNA4915UU
Brand IKO Bearing
Model LRTZ758531
$56.82 Each
Free shipping
#862927
LRT8510035
IKO Bearing LRT8510035 Inner Ring, Metric, 85 mm Inside Diameter, 100 mm Outside Diameter, 35 mm Width, General Usage, High Carbon Steel, To Assemble with RNA4917
Brand IKO Bearing
Model LRT8510035
$78.97 Each
Free shipping
#862957
LRT708060
IKO Bearing LRT708060 Inner Ring, Metric, 70 mm Inside Diameter, 80 mm Outside Diameter, 60 mm Width, General Usage, High Carbon Steel, To Assemble with RNAFW8010060
Brand IKO Bearing
Model LRT708060
$82.89 Each
Free shipping
#863014
LRTZ859545
IKO Bearing LRTZ859545 Inner Ring, Metric, 85 mm Inside Diameter, 95 mm Outside Diameter, 45.5 mm Width, General Usage, High Carbon Steel, To Assemble with GTR9512045
Brand IKO Bearing
Model LRTZ859545
$89.70 Each
Free shipping
#863132
LRTZ809055
IKO Bearing LRTZ809055 Inner Ring, Metric, 80 mm Inside Diameter, 90 mm Outside Diameter, 55 mm Width, General Usage, High Carbon Steel, To Assemble with RNA6916UU
Brand IKO Bearing
Model LRTZ809055
$103.63 Each
Free Shipping orders over $100
#863218
LRTZ8510064
IKO Bearing LRTZ8510064 Inner Ring, Metric, 85 mm Inside Diameter, 100 mm Outside Diameter, 64 mm Width, General Usage, High Carbon Steel, To Assemble with RNA6917UU
Brand IKO Bearing
Model LRTZ8510064
$114.28 Each
Free Shipping orders over $100
#863261
LRT8510063
IKO Bearing LRT8510063 Inner Ring, Metric, 85 mm Inside Diameter, 100 mm Outside Diameter, 63 mm Width, General Usage, High Carbon Steel, To Assemble with RNA6917
Brand IKO Bearing
Model LRT8510063
$120.01 Each
Free Shipping orders over $100
#863293
LRTZ9010564
IKO Bearing LRTZ9010564 Inner Ring, Metric, 90 mm Inside Diameter, 105 mm Outside Diameter, 64 mm Width, General Usage, High Carbon Steel, To Assemble with RNA6918UU
Brand IKO Bearing
Model LRTZ9010564
$125.47 Each
Free Shipping orders over $100
#863349
LRT9511063
IKO Bearing LRT9511063 Inner Ring, Metric, 95 mm Inside Diameter, 110 mm Outside Diameter, 63 mm Width, General Usage, High Carbon Steel, To Assemble with RNA6919
Brand IKO Bearing
Model LRT9511063
$132.62 Each
Free Shipping orders over $100
#863452
WS60130
IKO Bearing WS60130 Inner Ring for Thrust Roller Bearing, Metric, 60 mm Inside Diameter, 130 mm Outside Diameter
Brand IKO Bearing
Model WS60130
$156.93 Each
Free Shipping orders over $100
#863475
WS120155
IKO Bearing WS120155 Inner Ring for Thrust Roller Bearing, Metric, 120 mm Inside Diameter, 155 mm Outside Diameter
Brand IKO Bearing
Model WS120155
$162.90 Each
Free Shipping orders over $100
#863510
LRTZ10511550
IKO Bearing LRTZ10511550 Inner Ring, Metric, 105 mm Inside Diameter, 115 mm Outside Diameter, 50.5 mm Width, General Usage, High Carbon Steel, To Assemble with GTR11515350
Brand IKO Bearing
Model LRTZ10511550
$189.23 Each
Free Shipping orders over $100
#863589
LRTZ13015051
IKO Bearing LRTZ13015051 Inner Ring, Metric, 130 mm Inside Diameter, 150 mm Outside Diameter, 51 mm Width, General Usage, High Carbon Steel, To Assemble with RNA4926UU
Brand IKO Bearing
Model LRTZ13015051
$210.32 Each
Free Shipping orders over $100
#863615
LRT17018545
IKO Bearing LRT17018545 Inner Ring, Metric, 170 mm Inside Diameter, 185 mm Outside Diameter, 45 mm Width, General Usage, High Carbon Steel, To Assemble with RNA4834
Brand IKO Bearing
Model LRT17018545
$231.50 Each
Free Shipping orders over $100
#863707
WS140180
IKO Bearing WS140180 Inner Ring for Thrust Roller Bearing, Metric, 140 mm Inside Diameter, 180 mm Outside Diameter
Brand IKO Bearing
Model WS140180
$282.37 Each
Free Shipping orders over $100
#863718
LRT15017060
IKO Bearing LRT15017060 Inner Ring, Metric, 150 mm Inside Diameter, 170 mm Outside Diameter, 60 mm Width, General Usage, High Carbon Steel, To Assemble with RNA4930
Brand IKO Bearing
Model LRT15017060
$291.01 Each
Free Shipping orders over $100
#863797
LRT20022050
IKO Bearing LRT20022050 Inner Ring, Metric, 200 mm Inside Diameter, 220 mm Outside Diameter, 50 mm Width, General Usage, High Carbon Steel, To Assemble with RNA4840
Brand IKO Bearing
Model LRT20022050
$389.17 Each
Free Shipping orders over $100
#863847
LRT22024050
IKO Bearing LRT22024050 Inner Ring, Metric, 220 mm Inside Diameter, 240 mm Outside Diameter, 50 mm Width, General Usage, High Carbon Steel, To Assemble with RNA4844
Brand IKO Bearing
Model LRT22024050
$484.65 Each
Free Shipping orders over $100
#863885
LRT20022580
IKO Bearing LRT20022580 Inner Ring, Metric, 200 mm Inside Diameter, 225 mm Outside Diameter, 80 mm Width, General Usage, High Carbon Steel, To Assemble with RNA4940
Brand IKO Bearing
Model LRT20022580
$623.38 Each
Free Shipping orders over $100
#863913
WS130230
IKO WS130230 WS - Series Inner Ring for Thrust Roller Bearing Metric
Brand IKO Bearing
Model WS130230
$807.04 Each
Free Shipping orders over $100
#863976
LRT260290100
IKO Bearing LRT260290100 Inner Ring, Metric, 260 mm Inside Diameter, 290 mm Outside Diameter, 100 mm Width, General Usage, High Carbon Steel, To Assemble with RNA4952
Brand IKO Bearing
Model LRT260290100
$1,400.12 Each
Free Shipping orders over $100
#1497315
NKJ22/20A
Koyo NKJ22/20A machined ring needle roller bearing with 22 mm bore, 34 mm OD, and 20 mm width. Solid inner ring, open type, no seals. Designed for compact radial load applications in gearboxes and industrial machinery.
Brand Koyo Bearing
Model NKJ22/20A
$47.26 Each
Free shipping
#2068858
NKI 40/20 TN
SKF NKI 40/20 TN is a 40mm bore needle roller bearing with a 20mm width. It features a glass-fiber-reinforced polyamide cage (TN) for low friction and high-speed capability. This single-row, full-complement needle roller bearing is designed for compact radial load applications in gearboxes, pumps, and industrial machinery.
Brand SKF Bearing
Model NKI 40/20 TN
Obsolete
#2165282
IR110X120X30
INA IR110X120X30 Inner ring
Brand INA Bearing
Model IR110X120X30
$228.29 Each
Free Shipping orders over $100
#2165310
IR160X175X40
INA IR160X175X40 Inner ring
Brand INA Bearing
Model IR160X175X40
$432.53 Each
Free Shipping orders over $100
#2165327
IR200X220X50
INA IR200X220X50 Inner ring
Brand INA Bearing
Model IR200X220X50
$770.15 Each
Free Shipping orders over $100
#2165357
IR25X32X22
INA IR25X32X22 Inner ring
Brand INA Bearing
Model IR25X32X22
$11.80 Each
Free shipping
#2165367
IR30X35X20
INA IR30X35X20 Inner ring
Brand INA Bearing
Model IR30X35X20
$18.51 Each
Free shipping
#2165414
IR50X58X40
INA IR50X58X40 Inner ring
Brand INA Bearing
Model IR50X58X40
$38.16 Each
Free shipping
#2165445
IR75X85X25
INA IR75X85X25 Inner ring
Brand INA Bearing
Model IR75X85X25
$50.12 Each
Free shipping
#2165446
IR75X85X30
INA IR75X85X30 Inner ring
Brand INA Bearing
Model IR75X85X30
$61.44 Each
Free shipping
#2165447
IR75X85X35
INA IR75X85X35 Inner ring
Brand INA Bearing
Model IR75X85X35
$63.78 Each
Free shipping
#2165465
IR90X100X30
INA IR90X100X30 Inner ring
Brand INA Bearing
Model IR90X100X30
$84.45 Each
Free shipping
#2251029
MI 26 2S
McGill MI 26 2S precision-ground needle roller inner race, size 26, 1.625" bore. Built from 52100 bearing steel, this inner ring is sold individually for use with CAGEROL (MR series) and GUIDEROL (GR series) outer assemblies when a hardened ground shaft is not available as the running surface.
Brand McGill Bearing
Model MI 26 2S
$22.74 Each
Free shipping
#2251034
MI 30
McGill MI 30 precision-ground needle roller inner race, size 30, 1.875" bore, unsealed. Built from 52100 bearing steel for use with CAGEROL (MR series) and GUIDEROL (GR series) needle roller outer assemblies. Allows the assembly to run on a hardened ground shaft when one is unavailable.
Brand McGill Bearing
Model MI 30
$33.17 Each
Free shipping
#2251571
MI 80 N
McGill MI 80 N precision-ground needle roller inner race, size 80, alternate width (N variant). Built from 52100 bearing steel. Sold individually for use with CAGEROL (MR series) and GUIDEROL (GR series) outer assemblies when a hardened ground shaft is unavailable.
Brand McGill Bearing
Model MI 80 N
$392.99 Each
Free Shipping orders over $100
#2789724
IRR-2-3/8
Smith Bearing IRR-2-3/8 inner race with 2-3/8" outside diameter and 3/16" hole diameter. Overall width 0.750" with tolerances +.000/-.005. Bore tolerance +0.0000/-0.0006. Designed for use with cam followers and track rollers.
Brand Smith Bearings
Model IRR-2-3/8
$61.95 Each
Free shipping
#2789728
IRR-2-5/8
Smith Bearing IRR-2-5/8 inner race with 2-5/8" outside diameter and 3/16" hole diameter. Overall width is 0.750" with tolerances +.000/-.005. Bore diameter tolerance is +0.0000/-0.0006. Designed for use with cam followers and track rollers.
Brand Smith Bearings
Model IRR-2-5/8
$53.60 Each
Free shipping
#2789747
IRR-5-1/2
Smith Bearing IRR-5-1/2 inner race with 5-1/2" outside diameter and 5/16" bore. Precision ground with outside diameter tolerance +0.0000/-0.001 and bore tolerance +0.0000/-0.001. Overall width tolerance +.000/-.005. Designed for use with cam followers and track rollers.
Brand Smith Bearings
Model IRR-5-1/2
$248.10 Each
Free Shipping orders over $100
#2792107
JR110X120X30
Koyo JR110X120X30 solid race inner ring for needle roller bearings, 110 mm bore, 120 mm outer diameter, 30 mm width. Precision-ground hardened raceway for needle roller assemblies in industrial gearboxes and machine tools.
Brand Koyo Bearing
Model JR110X120X30
$250.89 Each
Free Shipping orders over $100
#2792130
JR160X175X40
Koyo JR160X175X40 solid race inner ring for needle roller bearings, 160 mm bore, 175 mm outer diameter, 40 mm width. Precision-ground raceway for use with needle roller cage assemblies or drawn cup needle bearings in industrial applications.
Brand Koyo Bearing
Model JR160X175X40
$447.76 Each
Free Shipping orders over $100