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KOYO Japan NTN inch size tapered roller bearings 4T-4370/4320 44.45*88.5*40.386mm roller bearing for Auto gearbox
The Brief Introduction of NTN Tapered Roller Bearing:
NTN Taper roller bearing 4T-4370/4320 are generally used to support combined load mainly consisting of radial load. Their cups are separable for easy assembling. During mounting and using, radial clearance and axial clearance can be adjusted and preloaded mounting can be made.
NTN Taper roller bearing 4T-4370/4320 are designed to carry both
thrust and radial loads and consist of four components: the cone,
or inner ring; the cup, or outer ring; the tapered rollers, or
rolling elements; and the cage, or roller retainer. The capacity of
axial load carrying depends on the contact angle of outer ring’s
raceway. The bigger the contact angle is, the greater the capacity
will be.
NTN Taper Roller Bearing 4T-4370/4320 Advantage:
1: Suitable for the radial and axial loaded.
2: With low wear rate and long life service.
3: Can be used over a large temperature range.
4: Allows maintenance free and long life operation.
5: Suitable for dirty corrosion impact load and edge loading.
6: The base material provided a good shock absorbing capacity.
7: With low and smoothly coefficient of friction and without stick
slip effects
Notes:
4T means NTN 4-top tapered roller bearings, case hardened material,
ET means NTN endurance tapered roller bearings, case hardened material.
X means different bore, outer diameter, width or radius from basic part number
U means ISO series, internationally interchangeable through hardened steel
Tapered roller bearings 4T-4370/4320
Bearing number : 4T-4370/4320
Size (mm) : 44.45x88.5x40.386
Brand : NTN
Bore Diameter (mm) : 44,45
Outer Diameter (mm) : 88,5
Width (mm) : 40,386
Bearing dimensions and specification in brand catalogue :
d - 44,45 mm
D - 88,5 mm
T - 40,386 mm
B - 40,386 mm
C - 33,338 mm
Weight - 1,12 Kg
Tapered Roller Bearing Details:
Parameter List for the Other Tapered Roller Bearing Models:
| Designation | Principal dimensions | Basic load ratings | Speed ratings | ||||
| - | dynamic | static | Reference speed | Limiting speed | |||
| - | d | D | T | C | C0 | ||
| - | mm | kN | r/min | ||||
| 30302J2 | 15 | 42 | 14,25 | 22,4 | 20 | 13000 | 18000 |
| 30203J2 | 17 | 40 | 13,25 | 19 | 18,6 | 13000 | 18000 |
| 30303J2 | 17 | 47 | 15,25 | 28,1 | 25 | 12000 | 16000 |
| 32303J2/Q | 17 | 47 | 20,25 | 34,7 | 33,5 | 11000 | 16000 |
| 32004X/Q | 20 | 42 | 15 | 24,2 | 27 | 12000 | 16000 |
| 30204J2/Q | 20 | 47 | 15,25 | 27,5 | 28 | 11000 | 15000 |
| 30304J2/Q | 20 | 52 | 16,25 | 34,1 | 32,5 | 11000 | 14000 |
| 32304J2/Q | 20 | 52 | 22,25 | 44 | 45,5 | 10000 | 14000 |
| 320/22X | 22 | 44 | 15 | 25,1 | 29 | 11000 | 15000 |
| 32005X/Q | 25 | 47 | 15 | 27 | 32,5 | 11000 | 14000 |
| 30205J2/Q | 25 | 52 | 16,25 | 30,8 | 33,5 | 10000 | 13000 |
| 32205BJ2/Q | 25 | 52 | 19,25 | 35,8 | 44 | 9500 | 13000 |
| 33205/Q | 25 | 52 | 22 | 47,3 | 56 | 10000 | 13000 |
| 30305J2/Q | 25 | 62 | 18,25 | 44,6 | 43 | 9000 | 12000 |
| 31305J2 | 25 | 62 | 18,25 | 38 | 40 | 7500 | 11000 |
| 32305J2 | 25 | 62 | 25,25 | 60,5 | 63 | 8000 | 12000 |
| 320/28X/Q | 28 | 52 | 16 | 31,9 | 38 | 10000 | 13000 |
| 302/28J2 | 28 | 58 | 17,25 | 38 | 41,5 | 9000 | 12000 |
| 322/28BJ2/Q | 28 | 58 | 20,25 | 41,8 | 50 | 8500 | 12000 |
| 32006X/Q | 30 | 55 | 17 | 35,8 | 44 | 9000 | 12000 |
| 30206J2/Q | 30 | 62 | 17,25 | 40,2 | 44 | 8500 | 11000 |
| 32206BJ2/QCL7CVA606 | 30 | 62 | 21,25 | 49,5 | 58,5 | 8000 | 11000 |
| 32206J2/Q | 30 | 62 | 21,25 | 50,1 | 57 | 8500 | 11000 |
| 33206/Q | 30 | 62 | 25 | 64,4 | 76,5 | 7500 | 11000 |
| 30306J2/Q | 30 | 72 | 20,75 | 56,1 | 56 | 7500 | 10000 |
| 31306J2/Q | 30 | 72 | 20,75 | 47,3 | 50 | 6700 | 9500 |
| 32306J2/Q | 30 | 72 | 28,75 | 76,5 | 85 | 7000 | 10000 |
| JL26749F/710 | 32 | 53 | 14,5 | 27 | 35,5 | 9000 | 12000 |
| 320/32X/Q | 32 | 58 | 17 | 36,9 | 46,5 | 8500 | 11000 |
| 32007J2/Q | 35 | 62 | 18 | 37,4 | 49 | 8000 | 11000 |
| 32007X/Q | 35 | 62 | 18 | 42,9 | 54 | 8500 | 11000 |
| 30207J2/Q | 35 | 72 | 18,25 | 51,2 | 56 | 7000 | 9500 |
| 32207J2/Q | 35 | 72 | 24,25 | 66 | 78 | 7000 | 9500 |
| 33207/Q | 35 | 72 | 28 | 84,2 | 106 | 6300 | 9500 |
| 30307J2/Q | 35 | 80 | 22,75 | 72,1 | 73,5 | 6700 | 9000 |
| 31307J2/Q | 35 | 80 | 22,75 | 61,6 | 67 | 6000 | 8500 |
| 32307BJ2/Q | 35 | 80 | 32,75 | 93,5 | 114 | 6000 | 8500 |
| 32307J2/Q | 35 | 80 | 32,75 | 95,2 | 106 | 6300 | 9000 |
| 32307/37BJ2/Q | 37 | 80 | 32,75 | 93,5 | 114 | 6000 | 8500 |
| JL69345F/310/Q | 38 | 63 | 17 | 36,9 | 52 | 7500 | 11000 |
| JL69349A/310/Q | 38 | 63 | 17 | 36,9 | 52 | 7500 | 11000 |
| JL69349X/310/Q | 38 | 63 | 17 | 36,9 | 52 | 7500 | 11000 |
| JL69349/310/Q | 38 | 63 | 17 | 36,9 | 52 | 7500 | 11000 |
| 32008/38X/Q | 38 | 68 | 19 | 52,8 | 71 | 7000 | 9500 |
| 3490/3420/QCL7CVQ492 | 38,1 | 79375 | 29,37 | 91,3 | 110 | 6700 | 9500 |
| 32008X/Q | 40 | 68 | 19 | 52,8 | 71 | 7000 | 9500 |
Pictures Shows of NTNTapered Roller Bearings:
Bearings Package of Tapered Roller Bearing :
Original Package:
1):Inner Plastic Bag+ Paper Box + Carton(+Pallet);
2):Small sizes:Plastic Tube + Carton
3):Big sizes:Wooden Case
