Bearing number	NKIB5909	NKIA 5909	RNA5909
Size (mm)	45x68x34(mm)	45x68x30(mm)	52x68x30(mm)
Brand	INA	NBS	NSK
Bore Diameter (mm)	45(mm)	45(mm)	52(mm)
Outer Diameter (mm)	68(mm)	68(mm)	68(mm)
Width (mm)	34(mm)	30(mm)	30(mm)
d	45 mm 1.7717 in	45 mm 1.7717 in
D	68 mm 2.6772 in	68 mm 2.6772 in	68 mm 2.6772 in
B	34 mm 1.3386 in	30 mm 1.1811 in
C	30 mm 1.1811 in	30 mm 1.1811 in	30 mm 1.1811 in
F	52 mm 2.0472 in	52 mm 2.0472 in
rmin	0,6 mm 0.0236 in
m	380 g / Weight
Cr	51000 N / Dynamic load rating (radial)
C0r	73000 N / Static load rating (radial)
Ca	9600 N / Dynamic load rating (axial)
C0a	21400 N / Static load rating (axial)
Cur	12600 N / Fatigue limit load, radial
Cua	950 N / Fatigue limit load, axial
nG	8700 1/min / Limiting speed