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