6661K87 Ball Bearings1

$30.34 $46.67

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6661K87

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For Shaft Type	Round
Bearing Construction	Single Row
Bearing Seal Type	Sealed
For Shaft Diameter	20 mm
For Housing ID	42 mm
Width	12 mm
Width Tolerance	-0.12 mm to 0 mm
ABEC Rating	3
Material	Steel
Maximum Rotation Speed	11,000 rpm
Lubrication	Lubricated
Temperature Range Minimum	-20° F
Temperature Range Max	210° F
Bearing Trade Number	6004-2RS
Ball Bearing Profile	Standard
Ball Material	Steel
Bearing Type	Ball
Cage Material	Steel
For Load Direction	Radial
Product ID	20 mm
ID Tolerance	-0.008 mm to 0 mm
Lubricant	Grease
OD	42 mm
OD Tolerance	-0.009 mm to 0 mm
Radial Clearance	0.013 mm to 0.028 mm
Radial Clearance Trade Number	C3
Shaft Mount Type	Press Fit
System of Measurement	Metric
Country of Origin	Argentina, Italy
DFARS Compliance	Specialty Metals COTS-Exempt
ECCN	1C999
REACH Compliance	REACH (EC 1907/2006) (11/07/2024, 242 SVHC) Compliant
RoHS Compliance	RoHS 3 (2015/863/EU) Compliant
Schedule B Number	848210.5048
Seal Material	Buna-N
Dynamic Radial Load Capacity	2,200 lb.
Inner Ring Type	Standard
Static Radial Load Capacity	1,100 lb.
Product Description	Smoother than smooth— the balls inside these bearings roll nearly friction- free. You’ll often find them on rapidly rotating parts, from the whirring chuck on a power drill to the spinning shaft on an electric motor. Sealed — The best choice for dirty environments. A barrier seals out dust so it won't gunk up or wear down the balls. However, these bearings retain the most heat since air can't flow through. Steel — Strong and wear resistant. However, these bearings are best for dry environments since moisture will cause them to rust.

34%

6661K87 Ball Bearings1

$30.34 $46.67

Bulk orders will be discounted, please contact us.

Smoother than smooth— the balls inside these bearings roll nearly friction- free. You’ll often find them on rapidly rotating parts, from the whirring chuck on a power drill to the spinning shaft on an electric motor. Sealed — The best choice for dirty environments. A barrier seals out dust so it won't gunk up or wear down the balls. However, these bearings retain the most heat since air can't flow through. Steel — Strong and wear resistant. However, these bearings are best for dry environments since moisture will cause them to rust. ABEC Rating — Bearings with an ABEC rating meet industry tolerance standards established by the Annular Bearing Engineers Committee (ABEC). They're rated on a scale from 1 to 9. The higher the rating, the tighter the tolerance. Bearings rated ABEC 1 or 3 are precise enough for most applications. If your application consistently runs at high speeds or requires high accuracy, consider bearings rated ABEC 5 or higher, since they generate less friction and heat.

Product Number: 6661K87

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Description

For Shaft Type	Round
Bearing Construction	Single Row
Bearing Seal Type	Sealed
For Shaft Diameter	20 mm
For Housing ID	42 mm
Width	12 mm
Width Tolerance	-0.12 mm to 0 mm
ABEC Rating	3
Material	Steel
Maximum Rotation Speed	11,000 rpm
Lubrication	Lubricated
Temperature Range Minimum	-20° F
Temperature Range Max	210° F
Bearing Trade Number	6004-2RS
Ball Bearing Profile	Standard
Ball Material	Steel
Bearing Type	Ball
Cage Material	Steel
For Load Direction	Radial
Product ID	20 mm
ID Tolerance	-0.008 mm to 0 mm
Lubricant	Grease
OD	42 mm
OD Tolerance	-0.009 mm to 0 mm
Radial Clearance	0.013 mm to 0.028 mm
Radial Clearance Trade Number	C3
Shaft Mount Type	Press Fit
System of Measurement	Metric
Country of Origin	Argentina, Italy
DFARS Compliance	Specialty Metals COTS-Exempt
ECCN	1C999
REACH Compliance	REACH (EC 1907/2006) (11/07/2024, 242 SVHC) Compliant
RoHS Compliance	RoHS 3 (2015/863/EU) Compliant
Schedule B Number	848210.5048
Seal Material	Buna-N
Dynamic Radial Load Capacity	2,200 lb.
Inner Ring Type	Standard
Static Radial Load Capacity	1,100 lb.
Product Description	Smoother than smooth— the balls inside these bearings roll nearly friction- free. You’ll often find them on rapidly rotating parts, from the whirring chuck on a power drill to the spinning shaft on an electric motor. Sealed — The best choice for dirty environments. A barrier seals out dust so it won't gunk up or wear down the balls. However, these bearings retain the most heat since air can't flow through. Steel — Strong and wear resistant. However, these bearings are best for dry environments since moisture will cause them to rust.