Composite Roller Bearings for for Forklift Masts 4.454 4.072

Product Details
Customization: Available
Place of Origin: Shandong China (Mainland)
Type: Roller
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  • Composite Roller Bearings for for Forklift Masts 4.454 4.072
  • Composite Roller Bearings for for Forklift Masts 4.454 4.072
  • Composite Roller Bearings for for Forklift Masts 4.454 4.072
  • Composite Roller Bearings for for Forklift Masts 4.454 4.072
  • Composite Roller Bearings for for Forklift Masts 4.454 4.072
  • Composite Roller Bearings for for Forklift Masts 4.454 4.072
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Basic Info.

Model NO.
4.072
Usage
Printer
The Number of Rows
Single
Outer Dimension
Small and Medium-Sized (60-115mm)
Spherical
Non-Aligning Bearings
Transport Package
According to Per Client′s Requirements
Origin
China
HS Code
8482400000
Production Capacity
50000 Pieces/Month

Product Description

Composite roller bearings for for forklift masts 4.454 4.072
Standard composite roller bearings 4.053 4.054 4.055 4.056 4.057 4.058 4.059 4.060 4.061 4.062 4.063 4.064 4.037 4.039 PR4.054 PR4.055 PR4.056 PR4.058 PR4.061 PR4.062 PR4.063 PR PR4.064
Adjustable composite roller bearings 4.454 4.455 4.456 4.457 4.458 4.459 4.46 4.461 4.462 4.463 4.089 4.085 4.090 OB10562 4.091 4.092 4.093 4.094 4.095 4.096
Adjustable screw composite roller bearing MR961 MR962 MR963 MR964 MR965 MR966 MR967 MR968 MR4267 MR4639
Adjustable support composite roller bearing 4.072 4.073 4.074 4.075 4.076 4.077 4.078 4.0784 4.079 4.080 4.0069 4.0087 4.0019 4.0038 4.0274 4.0088 4.0278 4.0084 4.0275
Composite Roller Bearings for for Forklift Masts 4.454 4.072Composite Roller Bearings for for Forklift Masts 4.454 4.072Composite Roller Bearings for for Forklift Masts 4.454 4.072
Roller bearings are rolling bearings with a particularly thick outer ring wall, which can withstand heavy loads and shock loads. It is a quick assembly component that can roll directly on the raceway and is used for various cam drives, tracks, conveyors, logistics systems, etc.
The outer diameter surface of the roller has cylindrical, arc and various special shapes. It can be designed according to customer requirements. The arc surface can be used to compensate for the inclination error during installation. It is used in situations where angle alignment errors may occur. The pressure surface is in a smaller edge stress state.
The internal structure of roller bearings includes ball bearings, needle roller bearings and cylindrical roller bearings, etc., which can be designed in various ways according to customer requirements and are suitable for different use occasions.
Tolerance: It is produced in accordance with the normal tolerance of P0 standard, and the load is ISO492 standard, but the tolerance of the outer diameter of the roller is excluded.
Clearance: Standard clearances of C2, C0, C3, C4, C5 are provided, and special clearances can also be provided according to the customer's operating conditions. The clearance limit value complies with the requirements of ISO5753.
Load capacity: the rated dynamic load is in accordance with the ISO281/1 standard, and the rated static load is in accordance with the ISO76 standard.
Lubrication: The rollers are filled with lithium-based grease, which has good anti-rust properties, and the operating temperature range is -30 to +120°C. Generally permanent grease lubrication, under normal operating conditions, there is no need to replenish grease. However, if the bearing is subjected to moisture or solid contaminants, or if it is operated for a long time at a temperature above 70 degrees Celsius, grease should be added. There are oil injection holes or other lubrication channels on the inner ring for replenishing grease. Grease with the same characteristics should be used. High- and low-temperature resistant grease can be provided according to customer requirements.
   Composite roller bearings, also known as combined roller bearings, were designed by Europeans earlier. Composite roller bearings are assembled from two axial and radial roller bearings, which reduces the volume of the bearing and simplifies the installation structure, thereby reducing manufacturing costs. Composite roller bearings have relatively large radial and axial load-bearing capacity, and the accessories are highly replaceable. More and more applications are used in various mast lifting systems. The composite roller bearing is mainly composed of the following parts: 1) The shaft head composite roller bearing is installed by welding. The specific method is to weld the shaft head to a plate with a round hole, and then assemble it with the main frame;  2) Main roller The main roller is the main bearing body in the composite roller bearing, which mainly bears the load in the vertical direction, and requires strong wear resistance, corrosion resistance and impact resistance. At the same time, the main roller can also be used as a single-direction load bearing, because it itself is a roller bearing with a full roller structure; 3) Side rollers The side rollers are the secondary load-bearing bodies of the composite roller bearings, which mainly bear horizontal loads. It also requires strong wear resistance, corrosion resistance and impact resistance. The side roller is essentially a roller bearing without an inner ring and full needle rollers. Inside the composite roller bearing, the mandrel and the shaft head are matched together; 4) The cover plate makes the main side roller shaft heads fit together to become one Integral;  compound roller bearing assembly method:  side roller is installed inside the shaft head through the spindle, the main roller is sleeved outside the shaft head, the cover plate is fixed by the nut at the end of the shaft head, and finally several parts are fixed together.
Composite Roller Bearings for for Forklift Masts 4.454 4.072Composite Roller Bearings for for Forklift Masts 4.454 4.072Composite Roller Bearings for for Forklift Masts 4.454 4.072
- - - - Dimensions - - - - - - - - - Load rating OD on ReferenceIndex
d D C H H1 H2 D1 C1 d1 S @ r R R1 V C Co Ca Coa request Germany Italy A Italy B -
mm mm mm mm mm mm mm mm mm mm degree mm mm mm mm KN KN KN KN mm - - 2Z 2RS
30 62 20 37.5 30.5 7 50 20 42 2.5 20o 3 500 500 - 31 35.5 11.1 11,5 62.5 4.054 4.0054-62 MR.001 MR.021
35 70.1 23 44 36 8 57 22 48 2.5 20o 4.5 500 500 M6×1 45.5 51 14 13 70.4 / 70.7 4.055 4.0055-70 MR.002 MR.022
40 77.7 23 48 36.5 11.5 61 26 53 3 20o 4.5 500 500 M6×1 48 56.8 18 18 78.1 / 78.5 4.056 4.0056-78 MR.003 MR.023
45 88.4 30 57 44 13 68 26 59 3.5 20o 4.5 700 700 M6×1 68 72 23 23 88.9 4.058 4.0058-88 MR.005 MR.025
60 107.7 31 69 55 14 82 34 71 4 20o 5 1000 700 M6×1 81 95 31 36 108.2 / 108.5 4.061 4.0061-108 MR.007 MR.027
60 123 37 72.3 56 16.3 92 40 80 5 20o 5 1000 1000 M6×1 110 132 43 50 - 4.062 4.0062-123 MR.009 MR.029
60 149 45 78.5 58.5 20 116 50 108 5.5 15o 4 1000 1000 M6×1 151 192 68 71 - 4.063 4.0063-149 MR.010 MR.030
60 149 45 86 67 19 120 50 108 5.5 15o 3 1000 1000 1/8G 151 192 68 71 - - 4,0011-149 MR.191 -
80 174 55 95 71 24 120 63 120 7 15o 7 - - AS 278 518 132 210 - - 4.0037-174 - -
80 185 55 95 71 24 120 63 120 7 15o 7 - - - 278 518 132 210 - - 4.0039-185 - -
 
mm Model Model Dimensions Basic Load Ratings Limiting Speed
rpm
Fw D D1
max.
D2
max.
C
-0.25
C1
-0.2
C2
 
dw
E8
rsmin. Radial Axial
mm Cr
DyRNAVmic
Cor
Static
Cr
DyRNAVmic
Cor
Static
KN
10 NKX10TN NKX10ZTN 10 19 24.1 25.2 23 9 6.5 10 0.3 6.2 7.8 10 14 12000
12 NKX12 NKX12Z 12 21 26.1 27.2 23 9 6.5 12 0.3 9 11 10.3 15.4 11000
15 NKX15 NKX15Z 15 24 28.1 29.2 23 9 6.5 15 0.3 10.7 12.7 10.5 16.8 9500
17 NKX17 NKX17Z 17 26 30.1 31.2 25 9 8 17 0.3 11.9 15 10.8 18.2 8500
20 NKX20 NKX20Z 20 30 35.1 36.2 30 10 10.5 20 0.3 16.4 23.8 14.3 24.7 7500
25 NKX25 NKX25Z 25 37 42.1 43.2 30 11 9.5 25 0.6 18.8 30.5 19.6 37.5 6000
30 NKX30 NKX30Z 30 42 47.1 48.2 30 11 9.5 30 0.6 22.6 36 20.4 42 5000
35 NKX35 NKX35Z 35 47 52.1 53.2 30 12 9 35 0.6 24.3 41.5 21.2 47 4600
40 NKX40 NKX40Z 40 52 60.1 61.2 32 13 10 40 0.6 26 47 27 63 4000
45 NKX45 NKX45Z 45 58 65.2 66.5 32 14 9 45 0.6 27.5 53 28 69 3600
50 NKX50 NKX50Z 50 62 70.2 71.5 35 14 10 50 0.6 38 74 29 75 3300
60 NKX60 NKX60Z 60 72 85.2 86.5 40 17 12 60 1 42 90 41.5 113 2800
70 NKX70 NKX70Z 70 85 95.2 96.5 40 18 11 70 1 44.5 92 43 127 2400
 
Unit No. Shaft Dia. Dimensions (mm) Basic Load Rating Weight
mm Fw D C rs/min C kN Co kN g
RNA6900 14 14 22 22 0.3 16 20 29.1
RNA6901 16 16 24 22 0.3 16 21.6 31
RNA6902 20 20 28 23 0.3 17.3 25.5 39.7
RNA6903 22 22 30 23 0.3 18.6 29 42.4
RNA6904 25 25 37 30 0.3 36 51 100
RNA69/22 28 28 39 30 0.3 37.5 55 98
RNA6905 30 30 42 30 0.3 39 59 112
RNA69/28 32 32 45 30 0.3 40.5 63 135
RNA6906 35 35 47 30 0.3 43.5 71 126
RNA69/32 40 40 52 36 0.6 47 82 162
RNA6907 42 42 55 36 0.6 48 86 193
RNA6908 48 48 62 40 0.6 66 116 256
RNA6909 52 52 68 40 0.6 69 127 338
RNA6910 58 58 72 40 0.6 73 139 310
RNA6911 60 63 80 45 1 90 176 470
RNA6912 68 68 85 45 1 94 191 488
RNA6913 72 72 90 45 1 95 198 580
RNA6914 80 80 100 54 1 128 265 857
RNA6915 85 85 105 54 1 130 275 935
RNA6916 90 90 110 54 1 135 300 987
RNA6917 100 100 120 63 1.1 166 400 1200
RNA6918 105 105 125 63 1.1 172 425 1330
RNA6919 110 110 130 63 1.1 174 440 1460
RNA6920 115 115 140 71 1.1 176 465  

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