TIMKEN -Torrington HJ-202820.2RS with seals, Needle Roller bearing,Cylindrical Roller Radial Bearings-HJ-2RS Series 31,750 X 44,450X 31,75 (mm)
TIMKEN -Torrington HJ-202820.2RS with seals, Needle Roller bearing,Cylindrical Roller Radial Bearings-HJ-2RS Series 31,750 X 44,450X 31,75 (mm)
  1. TIMKEN -Torrington HJ-202820.2RS with seals, Needle Roller bearing,Cylindrical Roller Radial Bearings-HJ-2RS Series 31,750 X 44,450X 31,75 (mm)
  2. TIMKEN -Torrington HJ-202820.2RS with seals, Needle Roller bearing,Cylindrical Roller Radial Bearings-HJ-2RS Series 31,750 X 44,450X 31,75 (mm)

TIMKEN -Torrington HJ-202820.2RS with seals, Needle Roller bearing,Cylindrical Roller Radial Bearings-HJ-2RS Series 31,750 X 44,450X 31,75 (mm)

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Description

Fw Bore (nom.) inch 1.2500
Fw Bore (nom.) mm 31,750
D Outside Diameter (nom.) inch 1.7500
D Outside Diameter (nom.) mm 44,450
C Width (nom.) inch 1.250
C Width (nom.) mm 31,75
§ Limiting Speed 3 100
ra* Housing Fillet (max.) inch 0.04
ra* Housing Fillet (max.) mm 1,0
Used with Inner Ring Designation IR-162020

DIMENSIONS AND LOAD RATINGS
Fw

Bore

 D

Outside Diameter

 C

Width

 Bearing* Designation Load Ratings §

Limiting Speed

 ra*

Housing Fillet

 †

Used with Inner Ring Designation
Basic Dynamic

Cr

 

 Basic Static

CO
  ISO ISO
(nom.) (nom.) (nom.)   T 281 76   (max.)  
inch mm inch mm inch mm (with both seals) lbf lbf lbf rpm inch mm
0.6250 15,875 1.1250 28,570 1.000 25,40 HJ-101816.2RS 2 970 3 980 4 150 6 100 0.025 0,6 —
0.7500 19,050 1.2500 31,750 1.000 25,40 HJ-122016.2RS 3 170 4 250 4 680 5 100 0.04 1,0 IR-081216
0.8750 22,225 1.3750 34,925 1.000 25,40 HJ-142216.2RS 3 540 4 750 5 600 4 400 0.04 1,0 IR-101416
1.0000

 

 25,400

 

 1.5000

 

 38,100

 

 1.000

 

 25,40

 

 HJ-162416.2RS

 

 3 870

 

 5 200

 

 6 520

 

 3 800

 

 0.04

 

 1,0

 

 IR-121616

IR-131616
1.1250

 

 28,575

 

 1.6250

 

 41,275

 

 1.250

 

 31,75

 

 HJ-182620.2RS

 

 5 740

 

 7 700

 

 11 200

 

 3 400

 

 0.04

 

 1,0

 

 IR-141820

IR-151820
1.2500 31,750 1.7500 44,450 1.250 31,75 HJ-202820.2RS 5 900 7 920 11 900 3 100 0.04 1,0 IR-162020
1.3750 34,925 1.8750 47,625 1.250 31,75 HJ-223020.2RS 6 290 8 430 13 300 2 800 0.04 1,0 IR-182220
1.5000

 

 38,100

 

 2.0625

 

 52,388

 

 1.250

 

 31,75

 

 HJ-243320.2RS

 

 7 400

 

 9 930

 

 14 800

 

 2 500

 

 0.06

 

 1,5

 

 IR-192420

IR-202420
1.6250

 

 41,275

 

 2.1875

 

 55,562

 

 1.250

 

 31,75

 

 HJ-263520.2RS

 

 7 600

 

 10 200

 

 15 700

 

 2 400

 

 0.06

 

 1,5

 

 IR-212620

IR-222620
1.7500

 

 

 44,450

 

 

 2.3125

 

 

 58,738

 

 

 1.250

 

 

 31,75

 

 

 HJ-283720.2RS

 

 

 7 790

 

 

 10 500

 

 

 16 600

 

 

 2 200

 

 

 0.06

 

 

 1,5

 

 

 IR-222820

IR-232820

IR-242820
2.0000

 

 

 

 50,800

 

 

 

 2.5625

 

 

 

 65,088

 

 

 

 1.250

 

 

 

 31,75

 

 

 

 HJ-324120.2RS 8 410

 

 

 

 11 300

 

 

 

 19 100

 

 

 

 1 900

 

 

 

 0.06

 

 

 

 1,5

 

 

 

 IR-243220

IR-253220

IR-263220

IR-273220
2.2500 57,150 3.0000 76,200 1.750 44,45 HJ-364828.2RS 14 800 19 900 36 200 1 700 0.06 1,5 IR-283628
2.5000

 

 63,500

 

 3.2500

 

 82,550

 

 1.750

 

 44,45

 

 HJ-405228.2RS

 

 16 000

 

 21 500

 

 41 300

 

 1 500

 

 0.08

 

 2,0

 

 IR-314028

IR-324028
2.7500

 

 69,850

 

 3.5000

 

 88,900

 

 1.750

 

 44,45

 

 HJ-445628.2RS

 

 16 700

 

 22 300

 

 44 800

 

 1 400

 

 0.08

 

 2,0

 

 IR-354428

IR-364428
3.0000

 

 76,200

 

 3.7500

 

 95,250

 

 1.750

 

 44,45

 

 HJ-486028.2RS

 

 17 700

 

 23 800

 

 49 900

 

 1 300

 

 0.08

 

 2,0

 

 IR-384828

IR-404828

 

BEARING MOUNTING DIMENSIONS
Mounting Dimensions, Clearance Fit   Mounting Dimensions, Tight Transition Fit
Inch Mounting Metric Mounting(mm)   Inch Mounting Metric Mounting(mm)
S

Shaft Raceway Diameter

 H

Housing Bore Diameter

 S

Shaft Raceway Diameter

 H

Housing Bore Diameter

 Bearing Designation S

Shaft Raceway Diameter

 H

Housing Bore Diameter

 S

Shaft Raceway Diameter

 H

Housing Bore Diameter
max. min. min. max. max. min. min. max. max. min. min. max. max. min. min. max.
0.6250 0.6246 1.1250 1.1258 15,875 15,865 28,575 28,595 -101816 0.6244 0.6240 1.1239 1.1247 15,860 15,850 28,547 28,567
0.7500 0.7495 1.2500 1.2510 19,050 19,037 31,750 31,775 -122016 0.7492 0.7487 1.2487 1.2497 19,030 19,017 31,717 31,742
0.8750 0.8745 1.3750 1.3760 22,225 22,212 34,925 34,950 -142216 0.8742 0.8737 1.3737 1.3747 22,205 22,192 34,892 34,917
1.0000 0.9995 1.5000 1.5010 25,400 25,387 38,100 38,125 -162416 0.9992 0.9987 1.4987 1.4997 25,380 25,367 38,067 38,092
1.1250 1.1245 1.6250 1.6260 28,575 28,562 41,275 41,300 -182620 1.1242 1.1237 1.6237 1.6247 28,555 28,542 41,242 41,267
1.2500 1.2494 1.7500 1.7510 31,750 31,735 44,450 44,475 -202820 1.2490 1.2484 1.7487 1.7497 31,725 31,710 44,417 44,442
1.3750 1.3744 1.8750 1.8760 34,925 34,910 47,625 47,650 -223020 1.3740 1.3734 1.8737 1.8747 34,900 34,885 47,592 47,617
1.5000 1.4994 2.0625 2.0637 38,100 38,085 52,388 52,418 -243320 1.4990 1.4984 2.0610 2.0622 38,075 38,060 52,349 52,379
1.6250 1.6244 2.1875 2.1887 41,275 41,260 55,562 55,592 -263520 1.6240 1.6234 2.1860 2.1872 41,250 41,235 55,524 55,554
1.7500 1.7494 2.3125 2.3137 44,450 44,435 58,738 58,768 -283720 1.7490 1.7484 2.3110 2.3122 44,425 44,410 58,699 58,729
2.0000 1.9993 2.5625 2.5637 50,800 50,782 65,088 65,118 -324120 1.9988 1.9981 2.5610 2.5622 50,770 50,752 65,049 65,079
2.2500 2.2493 3.0000 3.0012 57,150 57,132 76,200 76,230 -364828 2.2488 2.2481 2.9985 2.9997 57,120 57,102 76,162 76,192
2.5000 2.4993 3.2500 3.2514 63,500 63,482 82,550 82,586 -405228 2.4988 2.4981 3.2481 3.2495 63,470 63,452 82,502 82,538
2.7500 2.7493 3.5000 3.5014 69,850 69,832 88,900 88,936 -445628 2.7488 2.7481 3.4981 3.4995 69,820 69,802 88,852 88,888
3.0000 2.9993 3.7500 3.7514 76,200 76,182 95,250 95,286 -486028 2.9988 2.9981 3.7481 3.7495 76,170 76,152 95,202 95,238

The Timken HJ-202820.2RS is a high-precision needle roller bearing designed to offer robust performance in compact applications where high load capacity and reduced friction are essential. This bearing belongs to the family of drawn cup needle roller bearings, known for their thin-walled outer rings and full complement of needle rollers that maximize load-bearing capability while minimizing overall size.

One of the standout features of the HJ-202820.2RS is its integrated rubber seals (denoted by “2RS”), which are positioned on both sides of the bearing. These seals provide effective protection against contaminants such as dust, dirt, and moisture, enhancing the bearing’s reliability and longevity, particularly in harsh operating environments. The seals also help to retain lubrication, reducing the need for frequent maintenance and ensuring smooth, quiet operation over extended periods.

The HJ-202820.2RS has an inside diameter of 31.75 mm, an outside diameter of 44.45 mm, and a width of 31.75 mm. Its compact design makes it ideal for use in applications such as automotive transmissions, pumps, compressors, and various industrial machinery where space is limited but high performance is required. The full complement of needle rollers allows the bearing to carry significant radial loads, and its precision-engineered rollers ensure minimal friction and heat generation, even at high speeds.

Constructed from high-quality steel, the HJ-202820.2RS offers excellent durability and resistance to wear, making it suitable for demanding applications. The bearing’s drawn cup design simplifies installation, allowing it to be easily press-fitted into a housing bore, which also reduces the overall assembly footprint.

Overall, the Timken HJ-202820.2RS is a versatile and durable needle roller bearing that combines high load capacity, compact design, and effective sealing to deliver reliable performance in a wide range of demanding applications.

 

 

 

 

 

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