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Timken HJ-8010440 is a single row cylindrical roller bearing (CRB) for general industrial applications. This bearing features a straight bore and is designed for an outer diameter class under 12 inches. It has a dynamic load rating of 345 kN (77,600 lbf) and a static load rating of 684 kN (154,000 lbf), suitable for moderate to heavy radial loads in gearboxes, electric motors, and industrial machinery.
MODEL HJ-8010440
$433.54 Each
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Returnable:No
0.1 in Dimension C/B
63.5 mm
126.959 in Min. Mounting Dimensions Clearance Fit 1
126.975 mm
154000 lbf Thermal speed ratings - grease
2500 RPM Thermal speed ratings - oil:2800 rpm Used with Inner Ring Designation:IR-648040
2.5000 in Dynamic load rating
345 kN 77600 lbf Geometry factor:0.1213 Max. Mounting Dimensions Clearance Fit 1:127.00 mm
4.9974 in O.D. (in)
165.1 mm 6.5 Shaft Diameter (F:127.00 mm
4.9990 in Min. Mounting Dimensions Clearance Fit 2
165.100 mm
5.00 in Max. Mounting Dimensions Clearance Fit 2
165.141 mm
5.00 in Shoulder Diameter D
150.81 mm
5.938 in Speed ratings - grease
2500 RPM Speed ratings - oil:2800 rpm Static load rating:684000 N
6.4978 in Max. Mounting Dimensions Tight Transition Fit S
4.9984 mm
6.4994 in Min. Mounting Dimensions Tight Transition Fit S
126.934 mm
6.500 in Min. Mounting Dimensions Tight Transition Fit H
165.085 mm
6.5016 in Max. Mounting Dimensions Tight Transition Fit H
165.044 mm
Chamfer
2.540 mm
Chamfer r
2.540 mm 0.100 in
D - Outer Diameter
165.1 mm 6.5 in
Dimension C/B
63.5 mm 2.5 in
Dynamic load rating
345 kN 77600 lbf
Dynamic Load Rating C
345000 N 77600 lbf
Geometry factor
0.1213
Geometry Factor C
0.1213
Max. Mounting Dimensions Clearance Fit 1
127.00 mm 5.00 in
Max. Mounting Dimensions Clearance Fit 2
165.141 mm 6.5016 in
Max. Mounting Dimensions Tight Transition Fit H
165.044 mm 6.4978 in
Max. Mounting Dimensions Tight Transition Fit S
4.9984 mm 126.959 in
Min. Mounting Dimensions Clearance Fit 1
126.975 mm 4.9990 in
Min. Mounting Dimensions Clearance Fit 2
165.100 mm 6.500 in
Min. Mounting Dimensions Tight Transition Fit H
165.085 mm 6.4994 in
Min. Mounting Dimensions Tight Transition Fit S
126.934 mm 4.9974 in
Shaft Diameter (F
127.00 mm 5.00 in
Shoulder Diameter D
150.81 mm 5.938 in
Speed ratings - grease
2500 rpm
Speed ratings - oil
2800 rpm
Static load rating
684 kN 154000 lbf
Static Load Rating C
684000 N 154000 lbf
Thermal Speed Ratings - Grease
2500 rpm
Thermal Speed Ratings - Oil
2800 rpm
Used with Inner Ring Designation
IR-648040
- Clearance fit suggested for outer ring when housing is stationary relative to load.
- Tight transition fit suggested if housing rotates relative to load.
- Consult your Timken representative for oscillating applications (e.g., low radial-clearance concerns).
- Unmarked end of outer ring should be assembled against housing shoulder to clear maximum allowed housing fillet (ras max).
- Meets Military Standard MS 51961.
SKU: 5066946
Best company to buy from
I always buy from MRO is a very reliable company to work with
Read moreHow do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
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SKU: 5066946
Best company to buy from
I always buy from MRO is a very reliable company to work with
Read more