• INA NA49..-RSR / -2RSR Sealed Needle Roller Bearings with Inner Ring
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INA NA49..-RSR / -2RSR Sealed Needle Roller Bearings with Inner Ring

INA NA49..-RSR / -2RSR Sealed Needle Roller Bearings with Inner Ring

INA machined needle roller bearings NA49 with inner ring, sealed on one side (RSR) or both sides (2RSR) with lip seals.

Key features

  • Lip seals on one or both sides
  • Greased; X-life quality
  • Wider inner ring for seal running surface
  • Complete unit for unhardened shafts

Specifications

Brand INA
Product type Needle Roller Bearings
Series NA49
Seal RSR / 2RSR
Bore d 10 - 50 mm
Outside diameter D 22 - 72 mm
Source INA Rolling Bearings HR 1 catalogue, p. 665-665
NA4900-RSR d: 10 mm | D: 22 mm | B: 14 mm | Cr: 7.7 kN | C0r: 6.9 kN | m: 24.5 g
NA4900-2RSR d: 10 mm | D: 22 mm | B: 14 mm | Cr: 7.7 kN | C0r: 6.9 kN | m: 24.5 g
NA4901-RSR d: 12 mm | D: 24 mm | B: 14 mm | Cr: 8.6 kN | C0r: 8.3 kN | m: 27.5 g
NA4901-2RSR d: 12 mm | D: 24 mm | B: 14 mm | Cr: 8.6 kN | C0r: 8.3 kN | m: 27.5 g
NA4902-RSR d: 15 mm | D: 28 mm | B: 14 mm | Cr: 9.7 kN | C0r: 10.3 kN | m: 37 g
NA4902-2RSR d: 15 mm | D: 28 mm | B: 14 mm | Cr: 9.7 kN | C0r: 10.3 kN | m: 37 g
NA4903-RSR d: 17 mm | D: 30 mm | B: 14 mm | Cr: 10 kN | C0r: 11 kN | m: 40 g
NA4903-2RSR d: 17 mm | D: 30 mm | B: 14 mm | Cr: 10 kN | C0r: 11 kN | m: 40 g
NA4904-RSR d: 20 mm | D: 37 mm | B: 18 mm | Cr: 19.5 kN | C0r: 19.9 kN | m: 80 g
NA4904-2RSR d: 20 mm | D: 37 mm | B: 18 mm | Cr: 19.5 kN | C0r: 19.9 kN | m: 80 g
NA4905-RSR d: 25 mm | D: 42 mm | B: 18 mm | Cr: 21.8 kN | C0r: 24.2 kN | m: 89.5 g
NA4905-2RSR d: 25 mm | D: 42 mm | B: 18 mm | Cr: 21.8 kN | C0r: 24.2 kN | m: 89.5 g
NA4906-RSR d: 30 mm | D: 47 mm | B: 18 mm | Cr: 23.9 kN | C0r: 28.5 kN | m: 104 g
NA4906-2RSR d: 30 mm | D: 47 mm | B: 18 mm | Cr: 23.9 kN | C0r: 28.5 kN | m: 104 g
NA4907-RSR d: 35 mm | D: 55 mm | B: 21 mm | Cr: 29.5 kN | C0r: 39.5 kN | m: 175 g
NA4907-2RSR d: 35 mm | D: 55 mm | B: 21 mm | Cr: 29.5 kN | C0r: 39.5 kN | m: 175 g
NA4908-RSR d: 40 mm | D: 62 mm | B: 23 mm | Cr: 41 kN | C0r: 53 kN | m: 252 g
NA4908-2RSR d: 40 mm | D: 62 mm | B: 23 mm | Cr: 41 kN | C0r: 53 kN | m: 252 g
NA4909-RSR d: 45 mm | D: 68 mm | B: 23 mm | Cr: 43 kN | C0r: 59 kN | m: 290 g
NA4909-2RSR d: 45 mm | D: 68 mm | B: 23 mm | Cr: 43 kN | C0r: 59 kN | m: 290 g
NA4910-RSR d: 50 mm | D: 72 mm | B: 23 mm | Cr: 45 kN | C0r: 64 kN | m: 295 g
NA4910-2RSR d: 50 mm | D: 72 mm | B: 23 mm | Cr: 45 kN | C0r: 64 kN | m: 295 g
Needle Roller BearingsINA
22 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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INA NA49..-RSR / -2RSR Sealed Needle Roller Bearings with Inner Ring

Brand INA·Needle Roller Bearings

Available part numbers (22)

NA4900-RSR, NA4900-2RSR, NA4901-RSR, NA4901-2RSR, NA4902-RSR, NA4902-2RSR, NA4903-RSR, NA4903-2RSR, NA4904-RSR, NA4904-2RSR + 12 more — see full table ↓

How to order

Send the INA part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
NA4900-RSRd: 10 mm | D: 22 mm | B: 14 mm | Cr: 7.7 kN | C0r: 6.9 kN | m: 24.5 g
NA4900-2RSRd: 10 mm | D: 22 mm | B: 14 mm | Cr: 7.7 kN | C0r: 6.9 kN | m: 24.5 g
NA4901-RSRd: 12 mm | D: 24 mm | B: 14 mm | Cr: 8.6 kN | C0r: 8.3 kN | m: 27.5 g
NA4901-2RSRd: 12 mm | D: 24 mm | B: 14 mm | Cr: 8.6 kN | C0r: 8.3 kN | m: 27.5 g
NA4902-RSRd: 15 mm | D: 28 mm | B: 14 mm | Cr: 9.7 kN | C0r: 10.3 kN | m: 37 g
NA4902-2RSRd: 15 mm | D: 28 mm | B: 14 mm | Cr: 9.7 kN | C0r: 10.3 kN | m: 37 g
NA4903-RSRd: 17 mm | D: 30 mm | B: 14 mm | Cr: 10 kN | C0r: 11 kN | m: 40 g
NA4903-2RSRd: 17 mm | D: 30 mm | B: 14 mm | Cr: 10 kN | C0r: 11 kN | m: 40 g
NA4904-RSRd: 20 mm | D: 37 mm | B: 18 mm | Cr: 19.5 kN | C0r: 19.9 kN | m: 80 g
NA4904-2RSRd: 20 mm | D: 37 mm | B: 18 mm | Cr: 19.5 kN | C0r: 19.9 kN | m: 80 g
NA4905-RSRd: 25 mm | D: 42 mm | B: 18 mm | Cr: 21.8 kN | C0r: 24.2 kN | m: 89.5 g
NA4905-2RSRd: 25 mm | D: 42 mm | B: 18 mm | Cr: 21.8 kN | C0r: 24.2 kN | m: 89.5 g
NA4906-RSRd: 30 mm | D: 47 mm | B: 18 mm | Cr: 23.9 kN | C0r: 28.5 kN | m: 104 g
NA4906-2RSRd: 30 mm | D: 47 mm | B: 18 mm | Cr: 23.9 kN | C0r: 28.5 kN | m: 104 g
NA4907-RSRd: 35 mm | D: 55 mm | B: 21 mm | Cr: 29.5 kN | C0r: 39.5 kN | m: 175 g
NA4907-2RSRd: 35 mm | D: 55 mm | B: 21 mm | Cr: 29.5 kN | C0r: 39.5 kN | m: 175 g
NA4908-RSRd: 40 mm | D: 62 mm | B: 23 mm | Cr: 41 kN | C0r: 53 kN | m: 252 g
NA4908-2RSRd: 40 mm | D: 62 mm | B: 23 mm | Cr: 41 kN | C0r: 53 kN | m: 252 g
NA4909-RSRd: 45 mm | D: 68 mm | B: 23 mm | Cr: 43 kN | C0r: 59 kN | m: 290 g
NA4909-2RSRd: 45 mm | D: 68 mm | B: 23 mm | Cr: 43 kN | C0r: 59 kN | m: 290 g
NA4910-RSRd: 50 mm | D: 72 mm | B: 23 mm | Cr: 45 kN | C0r: 64 kN | m: 295 g
NA4910-2RSRd: 50 mm | D: 72 mm | B: 23 mm | Cr: 45 kN | C0r: 64 kN | m: 295 g

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