TIMKEN -Torrington HJ-12415448 Needle Roller bearing,Cylindrical Roller Radial Bearings-HJ Series 196,850 X 244,475 X 76,20 (mm)

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Stock: In stock
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Description

Fw Bore (nom.) inch7.7500
Fw Bore (nom.) mm196,850
D Outside Diameter (nom.) inch9.6250
D Outside Diameter (nom.) mm244,475
C/B Width (nom.) inch3.000
C/B Width (nom.) mm76,20
Limiting Speed rpm2 180
ra* Housing Fillet (max.) inch0.12
ra* Housing Fillet (max.) mm3,0
Used with Inner Ring Designation †IR-10412448
Weight8.37kg

DIMENSIONS AND LOAD RATINGS

Fw

Bore

D

Outside Diameter

C/B

Width

Bearing DesignationLoad RatingsLimiting Speedra*

Housing Fillet

Used with Inner Ring Designation

F

Housing Shoulder Diameter

Basic Dynamic

Cr

 

Basic Static

CO

 

 ISOISO
(nom.)(nom.)(nom.) T28176 (max.) ±164±0.4
inchmminchmminchmmlbflbflbfrpminchmm inchmm
3.7500

 

95,250

 

4.7500

 

120,650

 

2.000

 

50,80

 

HJ-607632

 

32 900

 

44 200

 

91 000

 

4 540

 

0.10

 

2,5

 

IR-506032 IR-5260324 38

 

111,1

 

4.0000

 

 

101,600

 

 

5.0000

 

 

127,000

 

 

2.000

 

 

50,80

 

 

HJ-648032

 

 

34 300

 

 

46 000

 

 

98 000

 

 

4 230

 

 

0.10

 

 

2,5

 

 

IR-526432

IR-546432

IR-566432

4 58

 

 

117,5

 

 

4.2500

 

107,950

 

5.2500

 

133,350

 

2.000

 

50,80

 

HJ-688432

 

34 700

 

46 500

 

102 000

 

3 970

 

0.10

 

2,5

 

IR-566832

IR-606832

4 78

 

123,8

 

4.5000

4.5000

114,300

114,300

6.0000

6.0000

152,400

152,400

2.250

2.500

57,15

63,50

HJ-729636

HJ-729640

48 000

53 400

64 400

71 700

116 000

134 000

3 850

3 850

0.10

0.10

2,5

2,5

IR-607236

IR-607240

5 7⁄16

5 7⁄16

138,1

138,1

5.0000

5.0000

 

5.0000

127,000

127,000

 

127,000

6.5000

6.5000

 

6.5000

165,100

165,100

 

165,100

2.000

2.250

 

2.500

50,80

57,15

 

63,50

HJ-8010432

HJ-8010436

 

HJ-8010440

46 100

52 000

 

57 800

61 200

69 400

 

77 300

113 000

133 000

 

152 000

3 430

3 430

 

3 430

0.10

0.10

 

0.10

2,5

2,5

 

2,5

IR-648036 IR-688036

IR-648040

5 1516

5 1516

 

5 1516

150,8

150,8

 

150,8

5.5000

5.5000

139,700

139,700

7.0000

7.0000

177,800

177,800

2.500

3.000

63,50

76,20

HJ-8811240

HJ-8811248

58 600

69 500

78 600

93 300

160 000

199 000

3 120

3 120

0.10

0.10

2,5

2,5

IR-728840

IR-728848

6 716

6 716

163,5

163,5

5.7500146,0507.2500184,1503.00076,20HJ-921164870 60094 800207 0002 9600.123,0IR-7692486 1116169,9
6.0000

6.0000

152,400

152,400

7.5000

7.5000

190,500

190,500

2.500

3.000

63,50

76,20

HJ-9612040

HJ-9612048

61 900

74 000

83 000

99 300

178 000

224 000

2 830

2 830

0.12

0.12

3,0

3,0

IR-809640

IR-809648

6 1516

6 1516

176,2

176,2

6.5000

6.5000

165,100

165,100

8.0000

8.0000

203,200

203,200

2.500

3.000

63,50

76,20

HJ-10412840

HJ-10412848

64 100

76 300

86 000

102 000

191 000

237 000

2 600

2 600

0.12

0.12

3,0

3,0

IR-8810440

IR-8810448

7 716

7 716

188,9

188,9

7.2500184,1509.1250231,7753.00076,20HJ-1161464888 600118 300253 0002 3400.123,0IR-96116488 1⁄2215,9
7.7500196,8509.6250244,4753.00076,20HJ-1241544892 000123 000271 0002 1800.123,0IR-104124489228,6
8.2500209,55010.1250257,1753.00076,20HJ-1321624895 400127 000290 0002 0400.123,0IR-112132489 12241,3
8.7500222,25010.6250269,8753.00076,20HJ-1401704898 600130 000308 0001 9200.164,0IR-1201404810254,0
9.2500234,95011.1250282,5753.00076,20HJ-14817848101 000136 000326 0001 8100.164,0IR-1281484810 12266,7

 

BEARING MOUNTING DIMENSIONS

Mounting Dimensions, Clearance FitBearing DesignationMounting Dimensions, Tight Transition Fit
Inch MountingMetric Mounting(mm)Inch MountingMetric Mounting(mm)
S

Shaft Raceway Diameter

H

Housing Bore Diameter

S

Shaft Raceway Diameter

H

Housing Bore Diameter

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.
3.75003.74914.75004.751695,25095,227120,650120,691HJ-6076323.74873.74774.74784.749495,21495,191120,594120,635
4.00003.99915.00005.0016101,600101,577127,000127,041HJ-6480323.99863.99774.99784.9994101,564101,541126,944126,985
4.25004.24915.25005.2516107,950107,927133,350133,391HJ-6884324.24864.24775.24785.2494107,914107,891133,294133,335
4.5000

4.5000

4.4991

4.4991

6.0000

6.0000

6.0016

6.0016

114,300

114,300

114,277

114,277

152,400

152,400

152,441

52,441

HJ-729636

HJ-729640

4.4986

4.4986

4.4977

4.4977

5.9978

5.9978

5.9994

5.9994

114,264

114,264

114,241

114,241

152,344

152,344

152,385

152,385

5.0000

5.0000

5.0000

4.9990

4.9990

4.9990

6.5000

6.5000

6.5000

6.5016

6.5016

6.5016

127,000

127,000

127,000

126,975

126,975

126,975

165,100

165,100

165,100

165,141

165,141

165,141

HJ-8010432

HJ-8010436

HJ-8010440

4.9984

4.9984

4.9984

4.9974

4.9974

4.9974

6.4978

6.4978

6.4978

6.4994

6.4994

6.4994

126,959

126,959

126,959

126,934

126,934

126,934

165,044

165,044

165,044

165,085

165,085

165,085

5.5000

5.5000

5.4990

5.4990

7.0000

7.0000

7.0016

7.0016

139,700

139,700

139,675

139,675

177,800

177,800

177,841

77,841

HJ-8811240

HJ-8811248

5.4984

5.4984

5.4974

5.4974

6.9978

6.9978

6.9994

6.9994

139,659

139,659

139,634

139,634

177,744

177,744

177,785

177,785

5.75005.74907.25007.2518146,050146,025184,150184,196HJ-92116485.74845.74747.24767.2494146,009145,984184,089184,135
6.0000

6.0000

5.9990

5.9990

7.5000

7.5000

7.5018

7.5018

152,400

152,400

152,375

152,375

190,500

190,500

190,546

190,546

HJ-9612040

HJ-9612048

5.9984

5.9984

5.9974

5.9974

7.4976

7.4976

7.4994

7.4994

152,359

152,359

152,334

152,334

190,439

190,439

190,485

190,485

6.5000

6.5000

6.4990

6.4990

8.0000

8.0000

8.0018

8.0018

165,100

165,100

165,075

165,075

203,200

203,200

203,246

203,246

HJ-10412840

HJ-10412848

6.4984

6.4984

6.4974

6.4974

7.9976

7.9976

7.9994

7.9994

165,059

165,059

165,034

165,034

203,139

203,139

203,185

203,185

7.25007.24889.12509.1268184,150184,120231,775231,821HJ-116146487.24807.24689.12269.1244184,099184,069231,714231,760
7.75007.74889.62509.6268196,850196,820244,475244,521HJ-124154487.74807.74689.62269.6244196,799196,769244,414244,460
8.25008.248810.125010.1270209,550209,520257,175257,226HJ-132162488.24808.246810.122410.1244209,499209,469257,109257,160
8.75008.748810.625010.6270222,250222,220269,875269,926HJ-140170488.74808.746810.622410.6244222,199222,169269,809269,860
9.25009.248811.125011.1270234,950234,920282,575282,626HJ-148178489.24809.246811.122411.1244234,899234,869282,509282,560

TIMKEN-Torrington HJ-12415448 Needle Roller Bearing

The TIMKEN-Torrington HJ-12415448 is a full complement needle roller bearing designed to handle heavy radial loads with precision and reliability in applications where space is limited. As part of TIMKEN’s comprehensive line of needle roller bearings, the HJ-12415448 is engineered for durability, high performance, and efficient operation, making it ideal for demanding industrial, automotive, and construction machinery applications.

Design and Construction

The HJ-12415448 is a full complement bearing, which means it does not use a cage, allowing it to incorporate the maximum number of needle rollers. This design significantly enhances the bearing’s load-bearing capacity by maximizing the contact area between the needle rollers and raceways. The bearing features an outer diameter of approximately 12 inches (304.8 mm), a length of 15.4 inches (391.16 mm), and a wall thickness of 4.8 inches (121.92 mm). This combination provides a robust, space-efficient solution for applications requiring high load capacity in compact spaces.。

The bearing’s outer ring is made from high-quality, case-hardened steel, providing excellent resistance to wear, impact, and fatigue. This ensures the bearing can withstand the high stresses encountered in challenging operational environments. The densely packed needle rollers are precisely aligned, ensuring even load distribution and minimizing internal friction. This reduces heat generation and stress concentrations within the bearing, contributing to smoother operation, lower operating temperatures, and an extended service life. The absence of an inner ring allows the bearing to be mounted directly on the shaft, simplifying installation and conserving space.

Performance Features

High Load Capacity: The full complement design of the HJ-12415448 allows it to support substantial radial loads efficiently. By incorporating the maximum number of needle rollers, the bearing distributes the load more evenly, enhancing its ability to handle continuous or shock loading conditions.

Space-Efficient Design: The compact form factor of the HJ-12415448 is particularly advantageous in applications where space constraints are a primary concern. Its design allows for high load capacity without the need for a larger bearing, making it an excellent choice for systems where minimizing overall size is critical.

Durability and Reliability: Constructed from high-grade materials, the HJ-12415448 offers exceptional resistance to wear, impact, and fatigue, even under heavy-duty conditions. Its design minimizes internal friction, which not only reduces energy consumption but also extends the bearing’s operational life.

Ease of Installation: The absence of an inner ring allows for direct mounting on the shaft, simplifying assembly and reducing the overall footprint of the bearing system. This feature is particularly useful in applications where quick maintenance and efficient assembly processes are essential.

Applications

The HJ-12415448 is well-suited for a variety of heavy-duty applications, including:

  • Industrial Gearboxes:Its high load capacity makes it ideal for gearboxes in industrial machinery that require reliable, long-lasting components to handle heavy loads.
  • Automotive Transmissions:In automotive applications, the compact design and robust performance of the HJ-12415448 make it a perfect fit for transmission systems where space is limited but durability is essential.
  • Construction Equipment:The bearing’s ability to handle high radial loads and resist wear makes it suitable for use in construction machinery such as cranes, loaders, and excavators, which operate under demanding conditions.

Heavy-Duty Pumps and Conveyors: The HJ-12415448 performs well in continuous loading applications such as heavy-duty pumps and conveyors, where it helps maintain efficient, smooth operation with minimal downtime.

Conclusion

The TIMKEN-Torrington HJ-12415448 needle roller bearing is a high-capacity, durable solution designed for demanding applications that require exceptional radial load support in compact spaces. Its full complement design maximizes load-bearing capacity, while its robust construction ensures reliable performance under heavy loads. This bearing exemplifies TIMKEN’s commitment to delivering innovative and high-quality bearing solutions tailored to the rigorous demands of modern industrial and automotive environments. Whether used in heavy machinery, automotive systems, or industrial equipment, the HJ-12415448 provides the durability, efficiency, and performance needed to keep operations running smoothly and effectively.

 

 

 

 

 

 

 

 

 

 

 

 

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