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Shenyang Sharjah Bearing Co.,Ltd.
Sharjah Bearing Co., Ltd. supplies bearings of world-famous brands, including: FAG, INA, TIMKEN, NSK, NTN, KOYO, IKO, NACHI, FYH, ASAHI and others. We have a wide inventory of various bearings and
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NTN NA4914 Solid Collar Needle Roller Bearing With Inner Ring 70X100X30MM

Shenyang Sharjah Bearing Co.,Ltd.

NTN NA4914 Solid Collar Needle Roller Bearing With Inner Ring 70X100X30MM

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Brand Name : NTN

Model Number : NA4914

Certification : NTN

Place of Origin : NTN

MOQ : 1

Price : 1-100 USD

Payment Terms : T/T, Western Union, MoneyGram

Supply Ability : 10000PCS

Delivery Time : 3-5 DAYS

Packaging Details : OEM

Material : chrome steel

d : 70

D : 100

B : 30

Brand : NTN

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Needle roller bearing with inner ring
The needle roller bearing with inner ring is necessary when shaft could not be used as bearing race. The inner ring or outer ring with needle roller or cage assembly units could be assembled individually.
Needle roller bearing of sealed ring with or without inner ring
Single sided or double-faced sealing HXB series needle roller could avoid soil. The sealing ring is of butadiene acrylonitrile rubber. Its working temperature scope is between minus 30 and 180. Lubricant is No.2 or No.3 high-performance lithium based grease. The longer re-lubricating interval period exists for enough storing lubricant grease space. The inner ring is 1mm thicker than the exterior ring, so sealing ring could work even when shaft moves down. There is lubricant aperture in inner ring in common.

Standard bearing
The bearings of standard grade are all proved up to dimensional precision and geometric accuracy of standard size. On exterior ring, there are lubricate hole and lubrication groove.

Dimensional tolerance
To bearing of high-precision requirements, it is required to inform the precision grade. To needle roller bearing with or without inner ring, whose radial clearance is flexible, it is also suitable.

Specific requirements
Please note supplementary code of bearing code when orders exterior ring of arc shape; so does order exterior ring with lubricate hole.
The bearing ring of grinding function is necessary with the purpose to get high-precision bearing device. Then the interior ring grinded after being assembled so as to improve rotating precision.

Feature:

  • Drawn cup needle roller bearing for applications with high dynamic loads
  • Drawn steel outer shell (cup) has a reduced cross-section for use in restricted spaces
  • Steel cage guides and evenly spaces rollers for reduced friction, vibration, and noise
  • Through-hardened, high-carbon chromium steel rollers for heat tolerance and durability under heavy loads
NTN NA4914 Solid Collar Needle Roller Bearing With Inner Ring 70X100X30MM
NTN NA4914 Solid Collar Needle Roller Bearing With Inner Ring 70X100X30MM
NTN NA4914 Solid Collar Needle Roller Bearing With Inner Ring 70X100X30MM
NTN NA4914 Solid Collar Needle Roller Bearing With Inner Ring 70X100X30MM
NTN NA4914 Solid Collar Needle Roller Bearing With Inner Ring 70X100X30MM
d 70 mm
D 100 mm
B 30 mm
F 80 mm
rmin 1 mm
s 1,5 mm Axial displacement
m 728 g Mass
Cr 95000 N Basic dynamic load rating, radial
C0r 156000 N Basic static load rating, radial
Cur 28000 N Fatigue limit load, radial
nG 5700 1/min Limiting speed
nϑr 3250 1/min Reference speed
NO. NO. SIZE (MM) BASIC LOAD RATING (KN) LIMITING SPEED
with inner without inner d Fw D C rs/min C C0 r/min
NA495 RNA495 5 7 13 10 0.15 2.24 2.02 27200
NA496 RNA496 6 8 15 10 0.15 3.14 2.62 25600
NA497 RNA497 7 9 17 10 0.15 2.44 2.77 24000
NA498 RNA498 8 10 19 11 0.2 4.71 3.82 22400
NA499 RNA499 9 12 20 11 0.3 5.02 4.79 20800
NA4900 RNA4900 10 14 22 13 0.3 8.5 9.2 25000
NA4901 RNA4901 12 16 24 13 0.3 9.4 10.9 24000
NA4902 RNA4902 15 20 28 13 0.3 10.6 13.6 22000
NA4903 RNA4903 17 22 30 13 0.3 11 14.6 21000
NA4904 RNA4904 20 25 37 17 0.3 21 25.5 17000
NA49/22 RNA49/22 22 28 39 17 0.3 22.8 29.5 16000
NA4905 RNA4905 25 30 42 17 0.3 23.6 31.5 15000
NA49/28 RNA49/28 28 32 45 17 0.3 24.4 33.5 13000
NA4906 RNA4906 30 35 47 17 0.3 25 35.5 13000
NA49/32 RNA49/32 32 40 52 20 0.6 30.5 47.5 12000
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