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Series 32900-Single Row Tapered Roller Bearings OEM/ODM

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Series 32900-Single Row Tapered Roller Bearings

  • Metric Series
  • Inch series
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  • Design Variants
  • Cage
  • Tolerance
  • Internal clearance
Model Dimensions Extreme speed Rated load Calculation factor Abutment and fillet dimensions(mm) Weight [kg]
DIN720
 ISO355
d
D
B
 C T r1,r2 min  r3,r4 min a Grease lubrication Oil lubrication Dynamic load Static load e Y Yo Da max db min da min Db min Ca min Cb min
32920
 T2GB110
100
140
25
 20 25 1.5 1.5 45 2000 3000 117 205 0.33 1.8 1 112 106 131 131 -- -- 1.18
32921
 --
105
145
25
 20 25 1.5 1.5 -- 1700 2400 119 212 0.34 1.8 0.96 117 111 136 136 -- -- 1.23
32922
 --
110
150
25
 20 25 1.5 1.5 -- 2000 3000 123 24 0.36 1.7 0.93 122 116 141 146 -- -- 1.29
32926
 --
130
180
32
 25 32 2 1.5 -- 1700 2400 198 365 0.33 1.8 1 139 141 167 173 -- -- 2.4
32928
 --
140
190
32
 25 32 2 1.5 -- 1600 2200 205 390 0.35 1.7 0.9 149 150 181 184 -- -- 2.55
32930
 --
150
210
38
 30 38 2.5 2 -- 1500 2000 270 500 0.33 1.8 1 171 148 193 205 -- -- 3.88
32930
 --
160
220
36
 31 38 2.5 2 -- 1100 1600 250 455 0.35 1.7 0.95 178 168 206 215 -- -- 4.06
32934
 --
170
230
36
 31 38 2.5 2 -- 1200 1700 258 485 0.36 1.6 0.9 188 178 216 225 -- -- 4.3
32936
 --
180
250
42
 36 45 2.5 2 -- 1200 1700 310 570 0.37 1.6 0.88 200 189 234 244 -- -- 6.22
32938
 --
190
260
42
 36 45 2.5 2 -- 950 1400 335 645 0.39 1.5 0.85 210 199 244 254 -- -- 6.59
32940
 --
200
280
51
 39 51 3 2.5 -- 1000 1500 475 950 0.4 1.5 0.8 212 217 268 271 -- -- 9.39
32944
 --
220
300
51
 39 51 3 2.5 -- 900 1300 475 1000 0.43 1.4 0.8 -- -- -- -- -- -- 10.1
32948
 --
240
320
51
 39 51 3 2.5 -- 900 1300 490 1080 0.46 1.3 0.7 252 255 308 311 -- -- 109
32952
 --
260
360
63.5
 48 63.5 3 2.5 -- 900 1300 710 1500 0.41 1.5 0.8 294 253 332 351 -- -- 18.8
32956
 --
280
380
63.5
 48 63.5 3 2.5 -- 800 1100 710 1560 0.43 1.4 0.8 292 298 368 368 -- -- 19.9
32960
 --
300
420
76
 57 76 4 3 -- 700 950 930 2040 0.39 1.5 0.8 314 324 406 405 -- -- 31.3
32964
 T4FD200
320
440
72
 63 76 4 3 -- 670 900 1000 2320 0.42 1.4 0.8 334 343 428 426 9 16 33.6
32968
 --
340
460
76
 57 76 4 3 -- 630 850 1040 2450 0.44 1.4 0.8 357 361 440 446 -- -- 33.6
32972
 --
360
480
76
 57 76 4 3 -- 600 800 1020 2400 0.46 1.5 0.82 377 380 464 466 -- -- 35.8
32976
 --
380
520
82
 71 87 5 4 -- 560 750 1210 2550 0.39 1.6 0.86 418 396 487 501 -- -- 49.5
32980
 --
400
540
82
 71 87 5 4 -- 500 720 1250 2700 0.4 1.5 0.82 439 417 508 530 -- -- 52.7
32984
 --
420
560
82
 72 87 5 4 -- 480 630 1300 2810 0.41 1.5 0.81 458 436 528 550 -- -- 54.8
32988
 --
440
600
95
 82 100 4 4 -- 450 600 1600 3450 0.35 1.7 0.93 458 473 543 581 -- -- 76

Ningbo DHK Precision Bearing Co., Ltd.

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    Patented Technology

Ningbo DHK Precision Bearing Co., Ltd. (“DHK” for short) is a specialist enterprise engaged in the R&D, manufacture and sales of bearings. Is a famous China Series 32900-Single Row Tapered Roller Bearings Factory and OEM/ODM Series 32900-Single Row Tapered Roller Bearings Company. And is located in Ningbo Zhenhai Economic Development Zone with convenient transportation. Since the establishment for over a decade, "technology", "quality" and "service" have always been the initial issues in our mind for the sake of development. We provide reliable products and special customized services for global enterprises in heavy industry and have got the Satisfaction and won good reputation of a number of enterprises at home and abroad.

DHK mainly produces cylindrical roller bearings, conical roller bearings, self-aligning roller bearings, ball bearings, as well as various kinds of non-standard bearings and bearings with specially treated surface. So far, DHK’s bearings have been widely applied in such fields as engineering machinery, industrial pump, machine tool, compression engine, gear case, wind power and metallurgy in developed European and American countries.

DHK has the measuring room and inspection room of bearings in the industry and has introduced top-end inspection equipment worldwide and established the QC system in China,thus guaranteeing product quality in an all-round way.

Ningbo DHK Precision Bearing Co., Ltd.

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CERTIFICATE

DHK has passed IATF16949 quality system certification and ISO14001 environmental management system certification；and DHK is a national high-tech enterprise.

  • Honor
  • Honor
  • Environmental Managementsystem Certificate
  • Measurement Management System
  • Invention patent1
  • Invention patent2
  • Invention patent3
  • High-tech enterprises

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Industry Knowledge Expansion

1. Construction and Design of Series 32900 Bearings
Single Row Tapered Roller Bearings within Series 32900 are meticulously engineered components designed to withstand high radial and axial loads while maintaining operational integrity under demanding conditions. Their construction consists of several key elements, each contributing to the bearing's overall performance and reliability. The inner ring, also known as the cone, and the outer ring, termed the cup, form the primary structural components of the bearing assembly. Both rings feature tapered raceways, which serve to facilitate the smooth movement of the tapered rollers. These raceways are precision-machined to ensure optimal contact between the rollers and the rings, distributing loads evenly and minimizing stress concentrations. Tapered rollers are arranged in a single row between the inner and outer rings. These rollers are tapered both on their inner and outer surfaces, matching the tapered raceways of the rings. This design enables the rollers to accommodate both radial and axial forces, transmitting them efficiently through the bearing assembly. The tapered shape of the rollers helps to reduce friction and minimize heat generation during operation, contributing to improved efficiency and longevity. A cage assembly is employed to maintain proper spacing and alignment of the rollers within the bearing. The cage, typically made of steel or brass, prevents the rollers from contacting each other, reducing the risk of friction-induced wear and ensuring smooth rotation. It also facilitates lubricant distribution throughout the bearing, promoting efficient operation and minimizing the risk of premature failure. In Series 32900 Single Row Tapered Roller Bearings, careful attention is paid to material selection and manufacturing processes to ensure the highest standards of quality and performance. High-quality alloy steels are commonly used for the inner and outer rings, rollers, and cage components, providing exceptional strength, durability, and resistance to wear and fatigue.

2. Abutment and Fillet Dimensions of Series 32900 Bearings
Abutment and fillet dimensions are critical parameters that influence the installation, mounting, and operation of Series 32900 Single Row Tapered Roller Bearings. These dimensions define the relationship between the bearing and its mating components, such as shafts and housings, ensuring proper fitment and alignment to optimize performance and prevent premature failure. In Series 32900 bearings, abutment dimensions refer to the maximum and minimum diameters of the bearing's inner and outer rings, as well as the corresponding dimensions of the shaft and housing. These dimensions are specified to ensure proper seating and alignment of the bearing within its housing and to provide adequate clearance for the shaft to rotate freely without interference. Similarly, fillet dimensions specify the radii of curvature at the corners and edges of the bearing's inner and outer rings. These fillet radii help to distribute stress concentrations and minimize the risk of stress-induced cracking or deformation, particularly under high load conditions or during installation and operation.