Bearing number	HR30305J	30305	30305
Bore Diameter (mm)	25(mm)	25(mm)	25(mm)
Outer Diameter (mm)	62(mm)	62(mm)	62(mm)
Width (mm)	18,25(mm)	18,25(mm)	18,25(mm)
d	25 mm 0.9843 in	25 mm 0.9843 in	25 mm 0.9843 in
D	62 mm 2.4409 in	62 mm 2.4409 in	62 mm 2.4409 in
T	18,25 mm 0.7185 in	18,25 mm 0.7185 in	18,25 mm 0.7185 in
B	17 mm 0.6693 in	17 mm 0.6693 in	17 mm 0.6693 in
C	15 mm 0.5906 in	15 mm 0.5906 in	15 mm 0.5906 in
a	13,2 mm 0.5197 in
r min.	1,5 mm 0.0591 in
r1 min.	1,5 mm 0.0591 in
da min.	36 mm 1.4173 in
Da min	54 mm 2.126 in
Da max.	54 mm 2.126 in
db max.	34 mm 1.3386 in
Db min.	57 mm 2.2441 in
ra max.	1,5 mm 0.0591 in
rb max.	1,5 mm 0.0591 in
Weight	0,27 Kg	0,26 Kg
Basic dynamic load rating (C)	47,5 kN	43 kN
Basic static load rating (C0)	46 kN	42 kN
(Grease) Lubrication Speed	6300 r/min	9180 r/min
(Oil) Lubrication Speed	8500 r/min
Calculation factor (e)	0,3
Calculation factor (Y0)	1,1
Size (mm)	25x62x18.25(mm)	25x62x18.25(mm)	25x62x18.25(mm)
Brand	NSK	ISB	NTN