Name	NU1056	NU1056	NU1056
Brand	KOYO	ISO	NTN
Bearing No.	NU1056
r(min)	4
r1(min)	4
Cr	841
C0r	1030
Cu	114
Grease lub.	1300
Oil lub.	1500
Ew	-
d1	-
B1	-
B2	-
da(min)	-
db(min)	296
db(max)	313
dc(min)	-
dd(min)	-
Da(max)	404
Db(max)	-
Db(min)	-
ra(max)	3
rb(max)	3
(Refer.)Mass(kg)	35.2
Size (mm)	280x420x65(mm)	280x420x65(mm)	280x420x65(mm)
Bore Diameter (mm)	280(mm)	280(mm)	280(mm)
Outer Diameter (mm)	420(mm)	420(mm)	420(mm)
Width (mm)	65(mm)	65(mm)	65(mm)
d	280 mm 11.0236 in	280 mm 11.0236 in	280 mm 11.0236 in
Fw	316 mm 12.441 in		316 mm 12.441 in
D	420 mm 16.5354 in	420 mm 16.5354 in	420 mm 16.5354 in
B	65 mm 2.5591 in	65 mm 2.5591 in	65 mm 2.5591 in
C	65 mm 2.5591 in	65 mm 2.5591 in	65 mm 2.5591 in
r min.	4 mm 0.1575 in		4 mm 0.1575 in
r1 min.	4 mm 0.1575 in		4 mm 0.1575 in
Weight	35.2 Kg		30,9 Kg
Basic dynamic load rating (C)	669 kN		660 kN
Basic static load rating (C0)	1030 kN		1 050 kN
(Grease) Lubrication Speed	1300 r/min		1 500 r/min