(dimensions in mm)
Bearing Type - NU
Bore Dia (d) - 50.0000
Outer Dia (D) - 80.0000
Width (B) - 19.0000
Radius (min) (rs) - 1.000
Dynamic Load Rating (Cr) - 40,700
Static Load Rating (Cor) - 59,100
Max Speed (Grease) (X1000 RPM) - 9
Max Speed (Oil) (X1000 RPM) - 10
Max. Shaft Shoulder Dia. Inner (Li) - 57.0
Weight (g) - 373.00
Precision - RBEC 1
Standard Clearance - C0
Material - 52100 Chrome steel, or equivalent
Unless otherwise specified, the internal radial clearance is "C0" or "C Normal".
This bearing is also available with the HJ end plate for the inner race.
Suffix definitions are listed in the Nomenclature Technical document.
This bearing is also available with a retaining ring groove in the outer race, and it can be supplied with the ring (suffix NR) or without the ring (suffix N). Please see the Technical Information Sheet for the groove and ring dimensions.
Hot number:RHP 7221 B/DB NTN NJ307E+HJ307E OKB 2971025 KOYO 47TS614127D NTN 4T-387/382 NSK 7252B NTN 7307DB SNR AB12437 SNR GB40549 KOYO M6219ZZX NSK NA4906 NTN NN3016 LS SAJK18C NTN X6-FCR55-15/2E GMN S6201CTAP4/ABEC7
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