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NTN Cylindrical Roller Bearings
Unit of Measure
Items NTN Cylindrical Roller Bearings
01447712
NTN NJ Series 55 Millimeter (mm) Bore Diameter Cylindrical Roller Bearing 		NTN NU Series 75 Millimeter (mm) Bore Diameter Cylindrical Roller Bearing (03973344)
03973344
NTN NU Series 75 Millimeter (mm) Bore Diameter Cylindrical Roller Bearing 		NTN MR Series 25 Millimeter (mm) Bore Diameter Cylindrical Roller Bearing (02280822)
02280822
NTN MR Series 25 Millimeter (mm) Bore Diameter Cylindrical Roller Bearing 		NTN MR Series 25 Millimeter (mm) Bore Diameter Cylindrical Roller Bearing (02280822)
03499942
NTN MR Series 40 Millimeter (mm) Bore Diameter Cylindrical Roller Bearing 		NTN NU Series 75 Millimeter (mm) Bore Diameter Cylindrical Roller Bearing (03973344)
03557487
NTN NU Series 55 Millimeter (mm) Bore Diameter Cylindrical Roller Bearing
Description N/A NJ311C4 Cylindrical Roller Bearing N/A NU215G1C3 Bearing N/A MR1305EL Cylindrical Roller Bearing N/A MR1208EL Cylindrical Roller Bearing N/A NU311ET2XC3 Cylindrical Roller Bearing
Supplier Name N/A NTN Bearing Company
Manufacturer Part Number N/A NJ311C4 N/A NU215G1C3 N/A MR1305EL N/A MR1208EL N/A NU311ET2XC3
Series N/A NJ N/A NU N/A MR N/A MR N/A NU
Bearing Material N/A Hardened Alloy Steel
Bore Diameter N/A 55 mm N/A 75 mm N/A 25 mm N/A 40 mm N/A 55 mm
Bore Type N/A Straight
Cage Material N/A Pressed Steel N/A High Strength Machined Brass Rivetless with Square Holes N/A Composite Steel N/A Composite Steel N/A Nylon
Closure Type N/A Open
Compatible Bearing Type N/A
Compatible Bore Diameter N/A
Dynamic Load Rating N/A 111000 N N/A 96500 N N/A 42000 N N/A 55500 N N/A 137000 N
Fillet Radius N/A 2 mm N/A 1.5 mm N/A 1.02 mm N/A 1.52 mm N/A 2 mm
Finish/Coating N/A Uncoated
Flanges N/A (1) Inner Ring (2) Outer Ring N/A (2) Outer Ring N/A (1) Inner Ring (2) Outer Ring N/A (1) Inner Ring (2) Outer Ring N/A (2) Outer Ring
Inside Ring Width N/A N/A 25 mm N/A N/A N/A
Internal Clearance N/A C4 N/A C3 N/A CN N/A CN N/A C3
UPC Code N/A
Maximum Speed N/A 7000 rpm N/A 6000 rpm N/A N/A N/A 6300 rpm
Operating Temperature Range N/A -40 to 120 ºC
Outside Ring Width N/A 29 mm N/A 25 mm N/A 17 mm N/A 18 mm N/A 29 mm
Outside Diameter N/A 120 mm N/A 130 mm N/A 62 mm N/A 80 mm N/A 120 mm
Overall Width N/A 29 mm N/A 25 mm N/A 17 mm N/A 18 mm N/A 29 mm
Precision Rating N/A International Organization for Standardization (ISO) Class 0
Radial Dynamic Load Capacity N/A
Radial Static Load Capacity N/A
Resistance Features N/A
Ring Separation N/A Non-Separable N/A Separable Inner Ring N/A Separable Inner Ring N/A Separable Inner Ring N/A Separable Inner Ring
Number of Rows N/A Single-Row
Static Load Rating N/A 111000 N N/A 111000 N N/A 39000 N N/A 60000 N N/A 143000 N
Weight N/A 3.25 lb N/A 2.9 lb N/A 0.600 lb N/A 0.96 lb N/A 3.17 lb