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Tapered Roller Bearing - Single Row (Part Numbers)

Tapered Roller Bearing - Single Row
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Tapered roller bearings utilize conical rollers and raceways, arranged so that the rollers and raceways meet at a common apex. The rollers are guided by contact between the large end of the roller and a rib on the inner ring. This provides high capacity for radial and single thrust loads.


NTN’s pioneering efforts in developing crowned rollers have resulted in greater load-carrying capability and longer bearing life. Crowned rollers under load distribute stress equally along their full length of contact with the raceways, thereby eliminating stress concentration at the roller ends. This design concept also compensates for minor misalignment between shaft and housing bore and deflection under load, thereby reducing stress concentration.

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Part Number

Configured Part Number is shown.

4T-30306D

Part Number
4T-30306D
Part NumberMinimum order quantityVolume DiscountDays to Ship RoHSLoad Direction I.D. d
(Ø)
O.D. D
(Ø)
Width B
(mm)
Precision (JIS) Size Standards Basic Load Rating, Dynamic Rating
(N)
Contact angle
(Degree)
Revolution Frequency
(rpm)
Series Cone roller bearing large-capacity type (symbol: 4T-orU) JAN code Ordering Code Mass
(g)
1 Piece(s)Available

11 Days or more

10Radial307220.75-Metric System48500More than 24°, 32° or less5000-4T---

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  1. 1

Basic Information

Raceway Ring Shape Tapered Roller Inner/Outer Ring Material Steel Number of Raceway Ring Rows Single Row
Specifications/Environment Standard Rolling Element Material Steel Outer Ring Type Flat

Please check the type/dimensions/specifications of the part 4T-30306D in the Tapered Roller Bearing - Single Row series.

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Part NumberMinimum order quantityVolume DiscountDays to Ship RoHSLoad Direction I.D. d
(Ø)
O.D. D
(Ø)
Width B
(mm)
Precision (JIS) Size Standards Basic Load Rating, Dynamic Rating
(N)
Contact angle
(Degree)
Revolution Frequency
(rpm)
Series Cone roller bearing large-capacity type (symbol: 4T-orU) JAN code Ordering Code Mass
(g)
1 Piece(s)Available

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