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Machined-Ring-Needle-Roller-Bearing-Inner-Ring-NA49R-NA59-NA69R-NKR 1R-Series

Double Row Machined-Ring Needle Roller Bearing, w/ Inner Ring - NA69.R Series
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Machined-Ring Needle Roller Bearing w/ Inner Ring - MR+MI Series
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Machined-Ring Needle Roller Bearing w/ Inner Ring - MR+MI Series
NTN logo

Machined-Ring Needle Roller Bearing w/ Inner Ring - MR+MI Series
NTN logo

Machined-Ring Needle Roller Bearing w/ Inner Ring - MR+MI Series
Type N/A Needle Roller Bearing
Bore Type N/A Round
Material N/A High Carbon Chrome Steel
Cage Type N/A
Cage Material N/A Steel
Limiting Speed - Oil N/A 4700 rpm N/A 25000 rpm N/A 25000 rpm N/A 2400 rpm N/A 2400 rpm
Limiting Speed - Grease N/A 3100 rpm N/A 17000 rpm N/A 17000 rpm N/A 1600 rpm N/A 1600 rpm
d N/A 2.9528 in75.000 mm N/A 0.3750 in9.525 mm N/A 0.3750 in9.525 mm N/A 5.5000 in139.700 mm N/A 5.5000 in139.700 mm
D N/A 4.1339 in105.000 mm N/A 1.1250 in28.575 mm N/A 1.1250 in28.575 mm N/A 8.0000 in203.200 mm N/A 8.0000 in203.200 mm
F N/A 3.3465 in85.000 mm N/A 0.6250 in15.875 mm N/A 0.6250 in15.875 mm N/A 6.5000 in165.100 mm N/A 6.5000 in165.100 mm
C N/A N/A 0.7500 in19.050 mm N/A 1.0000 in25.400 mm N/A 2.5000 in63.500 mm N/A 3.0000 in76.200 mm
B N/A 2.126 in54 mm N/A 0.7598 in19.300 mm N/A 1.0098 in25.650 mm N/A 2.5150 in63.880 mm N/A 3.0150 in76.580 mm
r N/A 0.03940 in1.000 mm N/A 0.02360 in0.600 mm N/A 0.02360 in0.600 mm N/A 0.11810 in3.000 mm N/A 0.11810 in3.000 mm
s N/A 0.0394 in1.000 mm N/A 0.0787 in2.000 mm N/A 0.1181 in3.000 mm N/A 0.2362 in6.000 mm N/A 0.2165 in5.500 mm
da min N/A 3.1496 in80.000 mm N/A 0.5315 in13.500 mm N/A 0.5315 in13.500 mm N/A 6.0039 in152.500 mm N/A 6.0039 in152.500 mm
Da max N/A 3.9370 in100.000 mm N/A 0.9646 in24.500 mm N/A 0.9646 in24.500 mm N/A 7.4803 in190.000 mm N/A 7.4803 in190.000 mm
ras max N/A 0.0394 in1.000 mm N/A 0.0236 in0.6 mm N/A 0.0236 in0.6 mm N/A 0.1181 in3 mm N/A 0.1181 in3 mm
Precision N/A ISO Class 0
Configuration N/A Two N/A One N/A One N/A One N/A One
Enclosure N/A Open
Bearing Design N/A w/ Inner Ring
Oil Hole N/A w/ Oil Hole
Radial Internal Clearance N/A Special Clearance N/A CN N/A CN N/A CN N/A CN
Static Load Rating N/A 62500 lbf277000 N277.00 kN N/A 3750 lbf16700 N16.70 kN N/A 5150 lbf23000 N23.00 kN N/A 153000 lbf680000 N680.00 kN N/A 196000 lbf870000 N870.00 kN
Dynamic Load Rating N/A 29700 lbf132000 N132.00 kN N/A 3750 lbf16700 N16.70 kN N/A 4850 lbf21500 N21.50 kN N/A 73000 lbf325000 N325.00 kN N/A 87500 lbf390000 N390.00 kN
Weight N/A 3.197 lb1.45 kg N/A 0.152 lb0.069 kg N/A 0.205 lb0.093 kg N/A 15.124 lb6.86 kg N/A 18.122 lb8.220 kg
Operating Temperature Range N/A -40 to 250 ºF-40 to 120 ºC