NTN Deep Groove Ball Bearings 6800, D=10

SKU: NTN 6800


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NTN Deep Groove Ball Bearings 6800, D=10

Single Row Radial Ball Bearing - Open Type


Bore Type Round
Bore Diameter 10 mm, 0.3937 in
Outside Diameter 19 mm, 0.7480 in
Overall Width 5 mm, 0.1969 in
Closure Type Open
Internal Clearance CN
Operating Temperature Range -40 to 250 ºF
Cage Type Pressed
Dynamic Load Capacity 450 lbf
Static Load Capacity 200 lbf
Precision Rating Class 0
Bearing Material High Carbon Chrome Steel
Cage Material Steel
Inner Ring Width 5.000 mm, 0.1969 in
Outer Ring Width 0.1969 in; 5.000 mm
Maximum RPM (Grease) 32000 RPM
Fillet Radius 0.300 mm, 0.0118 in
Maximum RPM 38000 RPM
Manufacturer UPC Number 4547359006056
Weight 0.011 lb

1. Design features and characteristics

Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings. 


Types and codes N Shielded type Shielded type
Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH
Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction.
Torque Small Small Higher Medium
Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type
Water proofing Poor Poor Very good Good
High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type
Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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