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Description
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Quick Detail:
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Full Complement needle roller bearing with inner ring Model NAV4902
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Type: Full Complement needle roller bearing with inner ring
Precision Rating: P0,,P4,P5,P6
Material: GCr15,GCr15SiMn
Clearance:C0 C1 C2 C3 ?as your required?
Bearing steel liner:? GCr15/100Cr6/SUJ2?
Vibration Level: V4, V3, V2, V1
Noise rank: Z1,Z2, Z3,
Bore Size: 15mm-190mm
Outside Diameter:? 28- 245mm
Place of Origin: China (Mainland)?
OEM:? Accept?
Certificate:? ISO9001:2008?
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Description:
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Shaft?
Diameter | Bearing Designation | Mass?
Approx | Boundary Dimensions | Basic Load Rating | ? | Limiting Speed |
Current Code | Original Code | d | D | C | Dynamic | Static | ? | Oil |
mm | g | mm | N | ? | rpm |
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15 | NAV4902 | 4074902E | ? | 15 | 28 | 13 | ? | ? | ? |
NAV4002 | 4074102 | 76 | 15 | 32 | 17 | 10800 | 29800 | 4500 |
? | 74802 | 100 | 15 | 36 | 24.5 | 8900 | 11200 | 4400 |
17 | NAV4903 | 4074903E | ? | 17 | 30 | 13 | ? | ? | ? |
NAV4003 | 4074103 | 98 | 17 | 35 | 18 | 12000 | 17000 | 3400 |
? | 74703 | 126 | 17 | 35 | 24.5 | 8700 | 10800 | 4200 |
20 | NAV4904 | 4074904E | ? | 20 | 37 | 17 | ? | ? | ? |
NAV4004 | 4074104 | 175 | 20 | 42 | 22 | 14500 | 29600 | 3000 |
NAV203620.5 | ? | ? | 20 | 36 | 20.5 | ? | ? | ? |
NAV204 | ? | ? | 20 | 47 | 14 | ? | ? | ? |
24 | NAV24668.1 | ? | ? | 24 | 66 | 8.1 | ? | ? | ? |
25 | NAV4905 | 4074905E | ? | 25 | 42 | 17 | ? | ? | ? |
NAV4005 | 4074105 | 201 | 25 | 47 | 22 | 23000 | 34600 | 2600 |
NAV205 | ? | ? | 25 | 52 | 15 | ? | ? | ? |
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Full Complement needle roller bearing with inner ring Model NAV4902
As for the full complement needle roller bearing with inner ring, the outer ring has the oil hole. The lubricating oil can be fed in from the oil hole. The outer ring has the double shoulders.
Since this kind of bearing has no cage, the needles rotate without correct guiding, they rub heavily again steach other and the bearing has the low limiting rotational speed.
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Applications:
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l???????? Road Rollers
l???????? Industrial Gearboxes
l???????? Electric Motors
l???????? Automotive Transmissions
l???????? Pumps
l???????? Compressors
l???????? Industrial Fans
l???????? Windmills
l???????? Unbalanced Exciters
l???????? Screw Compressor Applications such as Air Conditioning Systems
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Specifications:
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1. High rigidity and long life
2. Large load capacity
3. Good wear ability
4. Nice appearance complete product system
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Features of Full Complement needle roller bearing with inner ring Model NAV4902
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a. ?High Precision and Rigidity
b. ?Ease of Assembly?
c. ?Complete range of types?
d. ?Needle roller bearings without inner ring are used in automobile, rolling mill, mining, metallurgical industry, plastic machinery, etc.
e. ?Other advantages of Needle roller bearings without inner ring :
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1.??????? Bearing material: bearing steel Gcr15????
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2.??????? Smooth movement, low friction, high rigidity and long life
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3.??????? Nice appearance, complete product system
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4.??????? We can make non-standard needle roller bearings without inner ring according to clients samples of drawing
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Wastone Technology Co.,Ltd.
Precision Tapered Roller Bearings,Inch Taper Roller Bearing,Cylindrical Roller Bearing
Address: B zone ,Yangming High-Tech Development District,
Wuxi, Jiangsu
China, 214000
Tel: 86-510-82707820
Fax: 86-510-82752846
