NTN BEARING CORPORATION OF AMERICA
NTN BEARING CORPORATION OF AMERICA
Head Office
1600 E. Bishop Court, P.O. Box 7604
Mount Prospect, IL 60056-7604, U.S.A.
Phone: 847-298-7500
Fax: 847-699-9744
Toll Free: 800-323-2358
Email: mkt@ntnamerica.com
Website: www.ntnamericas.com
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Machined-Ring Needle Roller Bearings w/o Inner Ring
Machined-Ring Needle Roller Bearings w/o Inner Ring - Dimensions
Unit of Measure
Items Machined-Ring-Needle-Roller-Bearing-Inner-Ring-NK-NKS-Series
8E-NK1-25X50X20.3N
Machined-Ring Needle Roller Bearing w/o Inner Ring - NK, NKS Series 		Machined-Ring-Needle-Roller-Bearing-Inner-Ring-NK-NKS-Series
8E-NK1-25X56.4X19-3
Machined-Ring Needle Roller Bearing w/o Inner Ring - NK, NKS Series 		Machined-Ring-Needle-Roller-Bearing-Inner-Ring-NK-NKS-Series
8E-NK1-30X64X20
Machined-Ring Needle Roller Bearing w/o Inner Ring - NK, NKS Series 		Machined-Ring-Needle-Roller-Bearing-Inner-Ring-NK-NKS-Series
8E-NK1-34X56X20
Machined-Ring Needle Roller Bearing w/o Inner Ring - NK, NKS Series 		Machined-Ring-Needle-Roller-Bearing-Inner-Ring-NK-NKS-Series
8E-NK28X45X20-2N
Machined-Ring Needle Roller Bearing w/o Inner Ring - NK, NKS Series
Type N/A Needle Roller Bearing
Roller Type N/A Needle
Bearing Type N/A
Configuration N/A One
Material N/A High Carbon Chrome Steel
Cage Material N/A Steel
Limiting Speed - Oil N/A
Limiting Speed - Grease N/A
Fw N/A 0.9843 in25.000 mm N/A 0.9843 in25.000 mm N/A 1.1811 in30.000 mm N/A 1.3386 in34.000 mm N/A 1.1024 in28.000 mm
Fw Tolerance N/A
D N/A 1.9685 in50.000 mm N/A 2.2205 in56.400 mm N/A 2.5197 in64.000 mm N/A 2.2047 in56.000 mm N/A 1.7717 in45.000 mm
C N/A 0.7992 in20.300 mm N/A 0.7480 in19.000 mm N/A 0.7874 in20.000 mm N/A 0.7874 in20.000 mm N/A 0.7874 in20.000 mm
r N/A
Da max N/A
Db max N/A
ras max N/A
Precision N/A ISO Class 0
Enclosure N/A Open
Static Load Rating N/A
Dynamic Load Rating N/A
Weight N/A 0.397 lb0.180 kg N/A 0.517 lb0.234 kg N/A N/A 0.419 lb0.190 kg N/A 0.246 lb0.111 kg
Operating Temperature Range N/A -40 to 250 ºF-40 to 120 ºC