Bearing number	1312K	1312K	1312K
Size (mm)	60x130x31(mm)	60x130x31(mm)	60x130x31(mm)
Brand	KOYO	NACHI	SNR
Bore Diameter (mm)	60(mm)	60(mm)	60,000(mm)
Outer Diameter (mm)	130(mm)	130(mm)	130,000(mm)
Width (mm)	31(mm)	31(mm)	31,000(mm)
d	60 mm 2.3622 in	60 mm 2.3622 in	60,000 mm 2.3622 in
D	130 mm 5.1181 in	130 mm 5.1181 in	130,000 mm 5.1181 in
B	31 mm 1.2205 in	31 mm 1.2205 in	31,000 mm 1.2205 in
C	31 mm 1.2205 in	31 mm 1.2205 in	31,000 mm 1.2205 in
r min.	2.1 mm 0.0827 in
da min.	71 mm 2.7953 in	71 mm 2.7953 in
Da max.	119 mm 4.685 in	119 mm 4.685 in
ra max.	2 mm 0.0787 in	2.0 mm 0.0787 in
Weight	1.93 Kg	1.960 Kg
Basic dynamic load rating (C)	57.2 kN	57,2 kN
Basic static load rating (C0)	20.8 kN	20,8 kN
(Grease) Lubrication Speed	4500 r/min	4700 r/min
(Oil) Lubrication Speed	5500 r/min	5700 r/min
Calculation factor (e)	0.22	0.22
Calculation factor (Y0)	3.05	3.05
Calculation factor (Y1)	2.91	2.91