NTN Bearing Corp. of America - Single Row Radial Ball Bearings

Unit of Measure

Items	FLR133 Single Row Radial Ball Bearing - Open Type w/ Flange	FLR1-4 Single Row Radial Ball Bearing - Open Type w/ Flange	FLR144 Single Row Radial Ball Bearing - Open Type w/ Flange	FLR1-5 Single Row Radial Ball Bearing - Open Type w/ Flange	FLR155 Single Row Radial Ball Bearing - Open Type w/ Flange
Type	N/A Miniature / Extra Small Ball Bearing
Bore Type	N/A Round
Outside Ring Type	N/A
Material	N/A High Carbon Chrome Steel
Cage Type	N/A Stainless (Crown Type)
Cage Material	N/A Steel
Ball Material	N/A
Limiting Speed - Oil	N/A 85000 RPM	N/A 79000 RPM	N/A 70000 RPM	N/A 66000 RPM	N/A 60000 RPM
Limiting Speed - Grease	N/A 73000 RPM	N/A 67000 RPM	N/A 59000 RPM	N/A 56000 RPM	N/A 51000 RPM
d	N/A 0.0937 in2.380 mm	N/A 0.0781 in1.984 mm	N/A 0.1250 in3.175 mm	N/A 0.0937 in2.380 mm	N/A 0.1562 in3.967 mm
D	N/A 0.1875 in4.762 mm	N/A 0.2500 in6.350 mm	N/A 0.2500 in6.350 mm	N/A 0.3125 in7.938 mm	N/A 0.3125 in7.938 mm
B	N/A 0.0625 in1.588 mm	N/A 0.0937 in2.380 mm	N/A 0.0937 in2.380 mm	N/A 0.1094 in2.779 mm	N/A 0.1094 in2.779 mm
D3	N/A 0.2339 in5.940 mm	N/A 0.2961 in7.520 mm	N/A 0.2961 in7.520 mm	N/A 0.3591 in9.120 mm	N/A 0.3591 in9.120 mm
C1	N/A 0.0181 in0.460 mm	N/A 0.0228 in0.580 mm	N/A 0.0228 in0.580 mm	N/A 0.0228 in0.580 mm	N/A 0.0228 in0.580 mm
D1	N/A
D2	N/A
a	N/A
b	N/A
f	N/A
r	N/A 0.0031 in0.080 mm	N/A 0.0031 in0.080 mm	N/A 0.0031 in0.080 mm	N/A 0.0051 in0.130 mm	N/A 0.0031 in0.080 mm
r1	N/A
da min	N/A 0.1142 in2.900 mm	N/A 0.1102 in2.800 mm	N/A 0.1535 in3.900 mm	N/A 0.1260 in3.200 mm	N/A 0.1890 in4.800 mm
da max	N/A 0.1220 in3.100 mm	N/A 0.1299 in3.300 mm	N/A 0.1575 in4.000 mm	N/A 0.1693 in4.300 mm	N/A 0.2087 in5.300 mm
Da max	N/A 0.1575 in4.000 mm	N/A 0.2165 in5.500 mm	N/A 0.2165 in5.500 mm	N/A 0.2795 in7.100 mm	N/A 0.2756 in7.000 mm
ras max	N/A 0.0031 in0.080 mm	N/A 0.0031 in0.080 mm	N/A 0.0031 in0.080 mm	N/A 0.0039 in0.100 mm	N/A 0.0031 in0.080 mm
Style	N/A
Seal Type	N/A
Seal Material	N/A
Precision	N/A Class 0
Configuration	N/A One
Factor	N/A 14.8	N/A 12.8	N/A 13.7	N/A 13.2	N/A 14.8
Radial Internal Clearance	N/A CN
Static Load Rating	N/A 10 lbf42 N	N/A 20 lbf89 N	N/A 22 lbf96 N	N/A 34 lbf152 N	N/A 30 lbf133 N
Dynamic Load Rating	N/A 28 lbf124 N	N/A 63 lbf279 N	N/A 64 lbf284 N	N/A 97 lbf430 N	N/A 75 lbf335 N
Enclosure	N/A Open
Weight	N/A
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC
Notes	N/A
Axial Static Load Rating	N/A
Radial Dynamic Load Rating	N/A
Lubrication	N/A
Lubrication	N/A
Radial Static Load Rating	N/A