| Items |
 RPNA15/28R Self-Aligning Needle Roller Bearings - w/o Inner Ring |
RPNA18/32R Self-Aligning Needle Roller Bearings - w/o Inner Ring |
RPNA20/35R Self-Aligning Needle Roller Bearings - w/o Inner Ring |
RPNA25/42R Self-Aligning Needle Roller Bearings - w/o Inner Ring |
RPNA28/44R Self-Aligning Needle Roller Bearings - w/o Inner Ring |
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| Type | Self-Aligning Needle Roller Bearing | |||||||||
| Configuration | One | |||||||||
| Bearing Design | w/o Inner Ring | |||||||||
| Material | High Carbon Chrome Steel | |||||||||
| Limiting Speed - Oil | 24000 rpm | 22000 rpm | 21000 rpm | 18000 rpm | 16000 rpm | |||||
| Limiting Speed - Grease | 14000 rpm | 13000 rpm | 12500 rpm | 10500 rpm | 9500 rpm | |||||
| Fw | 0.5906 in15 mm | 0.7087 in18 mm | 0.7874 in20 mm | 0.9843 in25 mm | 1.1024 in28 mm | |||||
| D | 1.1024 in28 mm | 1.2598 in32 mm | 1.378 in35 mm | 1.6535 in42.000 mm | 1.7323 in44.000 mm | |||||
| D1 | 0.9646 in24.500 mm | 1.0630 in27.000 mm | 1.2008 in30.500 mm | 1.4370 in36.500 mm | 1.5157 in38.500 mm | |||||
| C | 0.4724 in12.000 mm | 0.6299 in16 mm | 0.6299 in16 mm | 0.7874 in20.000 mm | 0.7874 in20.000 mm | |||||
| r1 | 0.0315 in0.8 mm | |||||||||
| Precision | ISO Class 0 | |||||||||
| Enclosure | Open | |||||||||
| Static Load Rating | 1760 lbf7850 N7.85 kN | 3650 lbf16200 N16.2 kN | 3950 lbf17500 N17.50 kN | 6850 lbf30500 N30.50 kN | 7650 lbf34000 N34.00 kN | |||||
| Dynamic Load Rating | 1580 lbf7050 N7.05 kN | 2860 lbf12700 N12.70 kN | 2970 lbf13200 N13.20 kN | 4300 lbf19200 N19.20 kN | 5000 lbf22300 N22.30 kN | |||||
| Weight | 0.071 lb0.032 kg | 0.115 lb0.052 kg | 0.137 lb0.062 kg | 0.240 lb0.109 kg | 0.247 lb0.112 kg | |||||
| Operating Temperature Range | ||||||||||
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