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Clearance-Adjustable Needle Roller Bearings w/ Inner Ring - Dimensions
Unit of Measure
Items NTN logo
NA49/32S
Clearance-Adjustable Needle Roller Bearing w/ Inner Ring
NTN logo
NA4905S
Clearance-Adjustable Needle Roller Bearing w/ Inner Ring
NTN logo
NA4906S
Clearance-Adjustable Needle Roller Bearing w/ Inner Ring
NTN logo
NA4907S
Clearance-Adjustable Needle Roller Bearing w/ Inner Ring
NTN logo
NA4908S
Clearance-Adjustable Needle Roller Bearing w/ Inner Ring
Type N/A Clearance-Adjustable Needle Roller Bearing
Bore Type N/A Round
Material N/A High Carbon Chrome Steel
Cage Material N/A Steel
Limiting Speed - Oil N/A 10000 RPM N/A 13000 RPM N/A 11000 RPM N/A 9500 RPM N/A 8500 RPM
Limiting Speed - Grease N/A 6700 RPM N/A 8700 RPM N/A 7300 RPM N/A 6300 RPM N/A 5700 RPM
d N/A 1.2598 in32.000 mm N/A 0.9843 in25.000 mm N/A 1.1811 in30.000 mm N/A 1.3780 in35.000 mm N/A 1.5748 in40.000 mm
D N/A 2.0472 in52.000 mm N/A 1.6535 in42.000 mm N/A 1.8504 in47.000 mm N/A 2.1654 in55.000 mm N/A 2.4409 in62.000 mm
F N/A 1.5748 in40.000 mm N/A 1.1811 in30.000 mm N/A 1.3780 in35.000 mm N/A 1.6535 in42.000 mm N/A 1.8898 in48.000 mm
B N/A 0.7874 in20.000 mm N/A 0.6693 in17.000 mm N/A 0.6693 in17.000 mm N/A 0.7874 in20.000 mm N/A 0.8661 in22.000 mm
r N/A 0.0236 in0.600 mm N/A 0.0118 in0.300 mm N/A 0.0118 in0.300 mm N/A 0.0236 in0.600 mm N/A 0.0236 in0.600 mm
da min N/A 1.4173 in36.000 mm N/A 1.0630 in27.000 mm N/A 1.2598 in32.000 mm N/A 1.5354 in39.000 mm N/A 1.7323 in44.000 mm
Da max N/A 1.8110 in46.000 mm N/A 1.4173 in36.000 mm N/A 1.6142 in41.000 mm N/A 1.8898 in48.000 mm N/A 2.1260 in54.000 mm
ras max N/A 0.0236 in0.600 mm N/A 0.0118 in0.300 mm N/A 0.0118 in0.300 mm N/A 0.0236 in0.600 mm N/A 0.0236 in0.600 mm
Precision N/A ISO Class 0
Configuration 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 CN
Static Load Rating N/A 6250 lbf27800 N27.80 kN N/A 3600 lbf16000 N16.00 kN N/A 4850 lbf21600 N21.60 kN N/A 6700 lbf29800 N29.80 kN N/A 9100 lbf40500 N40.50 kN
Dynamic Load Rating N/A 3950 lbf17600 N17.60 kN N/A 2770 lbf12300 N12.30 kN N/A 3350 lbf14900 N14.90 kN N/A 4100 lbf18300 N18.30 kN N/A 5050 lbf22500 N22.50 kN
Weight N/A 0.346 lb0.157 kg N/A 0.185 lb0.084 kg N/A 0.218 lb0.099 kg N/A 0.362 lb0.164 kg N/A 0.500 lb0.227 kg
Operating Temperature Range N/A -40 to 250 ºF-40 to 120 ºC