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748S/742 QRL Single Row Tapered Roller Bearings 76.2x150.0x44.45mm

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748S/742 QRL Single Row Tapered Roller Bearings 76.2x150.0x44.45mm

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Brand Name : OEM-QRL

Model Number : 748S/742

Certification : ISO2000/9002

Place of Origin : CHINA

MOQ : 40

Price : Negotiable

Payment Terms : L/C, D/A, D/P

Supply Ability : 8000 PCS

Delivery Time : time by quantity

Packaging Details : Carton/woven bag

Type : Taper Roller Bearing

Size : 76.2x150.0x44.45mm

Dimensions : 748S/742

Application : Engineering Machinery

Weight : 2.35 kg.

Service : OEM Customized Services

Precision rating : P6,P0

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Bearing 748S/742 QRL Single row tapered roller bearings 76.2x150.0x44.45mm

Tapered Roller Bearing Specification

Dimension(s):
Inside Diameter (d) = 3"
Outside Diameter (D) = 5.909"
Combined Width (T) = 1.3/4"
Width (B) = 1.8375"
Cup Width (C) = 1.7/16"

Load Rating(s):
Basic Dynamic Load Rating (kN) = 261
Basic Static Load Rating (kN) = 360

Speed Limitation(s):
Limiting Speed - Grease Lubrication (min-1) = 2400
Limiting Speed - Oil Lubrication (min-1) = 3200

Alternative Part Number(s):
748S/742, 748S 742

Taper Roller Bearing Description

Tapered roller bearings are separable into a cone assembly and a cup. The non-separable cone assembly consists of the inner ring, the rollers, and a cage that retains and evenly spaces the rollers. The cup is simply the outer ring.

Tapered Roller Bearing Product number

Designation Dimensions Basic Load Ratings Limiting Speed Mass
d D T B C r1 r Cr Cor
min. min. Dynamic Static
SFT mm kN Rpm g
30203 17 40 13.25 12 11 1 1 20.7 21.9 9000 79
30303 17 47 15.25 14 12 1 1 28.3 27.2 8500 129
30204 20 47 15.25 14 12 1 1 28.2 30.6 8000 126
30304 20 52 16.25 15 13 1.5 1.5 33.1 33.2 8000 165
30205 25 52 16.25 15 13 1 1 32.2 37 7500 154
30305 25 62 18.25 17 15 1.5 1.5 46.9 48.1 6700 263
30206 30 62 17.25 16 14 1 1 43.3 50.5 6300 231
30306 30 72 20.75 19 16 1.5 1.5 59 63.1 5600 387
30207 35 72 18.25 17 15 1.5 1.5 54.2 63.5 5300 331
30307 35 80 22.75 21 18 2 1.5 75.3 82.6 5000 515
30208 40 80 19.75 18 16 1.5 1.5 63 74 4800 422
30308 40 90 25.25 23 20 2 1.5 90.9 107.6 4500 747
30209 45 85 20.75 19 16 1.5 1.5 67.9 83.6 4500 474
30309 45 100 27.25 25 22 2 1.5 108.9 129.8 4000 984
30210 50 90 21.75 20 17 1.5 1.5 73.3 92.1 4300 529
30310 50 110 29.25 27 23 2.5 2 130.1 157.1 3600 1280
30211 55 100 22.75 21 18 2 1.5 90.8 113.7 3800 713
30311 55 120 31.5 29 25 2.5 2 153.3 187.6 3200 1630
30212 60 110 23.75 22 19 2 1.5 103.3 130 3400 904
30312 60 130 33.5 31 26 3 2.5 171.4 210 3000 1990
30213 65 120 24.75 23 20 2 1.5 120.6 152.6 3000 1130
30313 65 140 36 33 28 3 2.5 195.9 241.7 2600 2440
30214 70 125 26.25 24 21 2 1.5 132.3 173.6 3000 1260
30314 70 150 38 35 30 3 2.5 21.9 271.7 2400 2980


Taper Roller Bearings Applications

Dedicated to strict quality control and thoughtful customer service, our experienced staff members are always available to discuss your requirements and ensure full customer satisfaction. In recent years, our company has introduced a series of advanced equipment including double-end face grinding machine etc., flaw detector...In addition, we have obtained ISO9001: 2008 certificates. Selling well in all cities and provinces around China, our products are also exported to clients in such countries and regions as Europe, America, Middle East, Africa and Southeast Asian.
748S/742 QRL Single Row Tapered Roller Bearings 76.2x150.0x44.45mm
748S/742 QRL Single Row Tapered Roller Bearings 76.2x150.0x44.45mm


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76.2x150.0x44.45mm Single row tapered roller bearings

      

748S/742 Single Row Tapered Roller Bearings

      
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