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Alternators, Batteries & Starters
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OEM (Genuine) Bearing, Front
PartNumber: 31112-5X6-J01
Product Specifications- Other Names: Bearings, Front Bearing
- Item Dimensions: 1.9 x 1.9 x 0.5 inches
- Item Weight: 0.50 Pounds
- Fitment Type: Direct Replacement
- Replaces: 31114-PGK-A01
- Part Description: Bearing, Front
$19.11 MSRP:$26.98You Save: $7.87 (30%)
SKF® Alternator Bearing
PartNumber: 6304-2RSJProduct Specifications- Quantity Per Application: 1
- UPC: 085311063807
- Part Description: Alternator Bearing
$34.01
National® Generator Commutator End Bearing
PartNumber: 304-DDProduct Specifications- Type: A-7
- Part Description: Generator Commutator End Bearing
$38.12
SKF® Alternator Bearing
PartNumber: 6305-2RSJProduct Specifications- Quantity Per Application: 1
- UPC: 085311063814
- Part Description: Alternator Bearing
$27.08
National® Generator Drive End Bearing
PartNumber: 305Product Specifications- Bore: 25.000 mm
- Design: Single Row Radial"
- Inner Race Bore: 0.984"
- Inner Race Radius: 0.040"
- Inner Race Width: 17.000 mm
- Outer Race Outside Diameter: 2.441"
- Outer Race Radius: 1.020 mm
- Outer Race Width: 0.669"
- Outside Diameter: 62.000 mm
- Series: 300
- Type: A-1
- Width: 0.669"
- Part Description: Generator Drive End Bearing
$27.53
SKF® Alternator Bearing
PartNumber: 6303-2RSJProduct Specifications- Inner Diameter: 0.6693"
- Outer Diameter: 1.8504"
- UPC: 085311069526
- Width: 0.5512"
- Part Description: Alternator Bearing
$25.52
National® Generator Commutator End Bearing
PartNumber: 303-SSProduct Specifications- Bore (Inch): 0.669
- Bore (mm): 17.000
- Design: Single Row Radial
- Inner Race Bore (Inch): 0.669
- Inner Race Bore (mm): 17.000
- Inner Race Radius (Inch): 0.040
- Inner Race Radius (mm): 1.020
- Inner Race Width (Inch): 0.551
- Inner Race Width (mm): 14.000
- Outer Race Outside Diameter (Inch): 1.850
- Outer Race Outside Diameter (mm): 47.000
- Outer Race Radius (Inch): 0.040
- Outer Race Radius (mm): 1.020
- Outer Race Width (Inch): 0.551
- Outer Race Width (mm): 14.000
- Outside Diameter (Inch): 1.850
- Outside Diameter (mm): 47.000
- Series: 300
- Type: A-3
- Width (Inch): 0.551
- Width (mm): 14.000
- Part Description: Generator Commutator End Bearing
$19.56OEM (Genuine) Bearings
PartNumber: 90099-10140
Product Specifications- Other Names: Rear Bearing
- Item Dimensions: 2.5 x 2.2 x 0.8 inches
- Item Weight: 0.40 Pounds
- Fitment Type: Direct Replacement
- Replaces: 90068-10140, 90068-10001
- Part Description: Bearings
$27.35 MSRP:$39.40You Save: $12.05 (31%)
SKF® Alternator Bearing
PartNumber: 6302-2RSJProduct Specifications- Quantity Per Application: 1
- UPC: 085311063333
- Part Description: Alternator Bearing
$25.45
National® Generator Drive End Bearing
PartNumber: 302-SSProduct Specifications- Type: A-3
- Part Description: Generator Drive End Bearing
$13.56OEM (Genuine) Bearings
PartNumber: 90099-10192
Product Specifications- Other Names: Front Bearing
- Item Dimensions: 2.9 x 2.3 x 0.9 inches
- Item Weight: 0.20 Pounds
- Fitment Type: Direct Replacement
- Replaces: 90068-10002
- Part Description: Bearings
$18.49 MSRP:$26.61You Save: $8.12 (31%)
SKF® Alternator Bearing
PartNumber: 6306-2RSJProduct Specifications- Quantity Per Application: 1
- UPC: 085311063357
- Part Description: Alternator Bearing
$24.94
National® Generator Commutator End Bearing
PartNumber: 204-FFProduct Specifications- Type: A-9
- Part Description: Generator Commutator End Bearing
$15.10OEM (Genuine) Bearings
PartNumber: 90068-10142
Product Specifications- Other Names: Bearing, Front Bearing
- Item Dimensions: 2.0 x 0.6 x 2.1 inches
- Item Weight: 1.20 Pounds
- Fitment Type: Direct Replacement
- Replaces: 90099-10142
- Part Description: Bearings
$25.11 MSRP:$36.17You Save: $11.06 (31%)
SKF® Alternator Bearing
PartNumber: 6305-JProduct Specifications- Quantity Per Application: 1
- UPC: 826732169170
- Part Description: Alternator Bearing
$22.41
National® Generator Commutator End Bearing
PartNumber: 201-CCProduct Specifications- Bore: 0.472"
- Inner Race Bore: 0.472"
- Inner Race Radius: 0.024"
- Inner Race Width: 0.394"
- Outer Race Outside Diameter: 1.260"
- Outer Race Radius: 0.024"
- Outer Race Width: 0.394"
- Outside Diameter (In): 1.260"
- Quantity: 1 per Pack
- Width: 0.394"
- Part Description: Generator Commutator End Bearing
$14.58OEM (Genuine) Bearings
PartNumber: 90068-10033
Product Specifications- Other Names: Front Bearing
- Item Dimensions: 13.3 x 11.6 x 2.0 inches
- Item Weight: 0.80 Pounds
- Fitment Type: Direct Replacement
- Replaces: 90099-10223
- Part Description: Bearings
$17.31 MSRP:$24.92You Save: $7.61 (31%)
National® Generator Commutator End Bearing
PartNumber: 200-CCProduct Specifications- Bore (Inch): 0.394
- Bore (mm): 10.000
- Design: Single Row Radial
- Feature 4: Industry leading coverage
- Inner Race Bore (Inch): 0.394
- Inner Race Bore (mm): 10.000
- Inner Race Radius (Inch): 0.039
- Inner Race Radius (mm): 1.000
- Inner Race Width (Inch): 0.354
- Inner Race Width (mm): 9.000
- Outer Race Outside Diameter (Inch): 1.181
- Outer Race Outside Diameter (mm): 30.000
- Outer Race Radius (Inch): 0.039
- Outer Race Radius (mm): 1.000
- Outer Race Width (Inch): 0.354
- Outer Race Width (mm): 9.000
- Outside Diameter (Inch): 1.181
- Outside Diameter (mm): 30.000
- Series: 200
- Type: A-5
- Width (Inch): 0.354
- Width (mm): 9.000
- Part Description: Generator Commutator End Bearing
$15.94OEM (Genuine) Bearings
PartNumber: 90099-10178
Product Specifications- Item Dimensions: 2.8 x 2.3 x 0.9 inches
- Item Weight: 0.60 Pounds
- Part Description: Bearings
$92.47 MSRP:$134.35You Save: $41.88 (32%)
SKF® Generator Commutator End Bearing
PartNumber: 6303-JProduct Specifications- Quantity Per Application: 1
- UPC: 085311069519
- Part Description: Generator Commutator End Bearing
$20.28
National® Generator Commutator End Bearing
PartNumber: 202-FFProduct Specifications- Type: A-9
- Part Description: Generator Commutator End Bearing
$13.95OEM (Genuine) Regulator
PartNumber: 27700-70030Product Specifications- Other Names: Voltage Regulator
- Item Dimensions: 5.1 x 3.6 x 2.4 inches
- Item Weight: 0.60 Pounds
- Fitment Type: Direct Replacement
- Replaces: 27700-63021
- Part Description: Regulator
$235.38 MSRP:$341.95You Save: $106.57 (32%)
SKF® Alternator Bearing
PartNumber: 6202-ZJProduct Specifications- Quantity Per Application: 1
- UPC: 085311069335
- Part Description: Alternator Bearing
$15.38
National® Generator Commutator End Bearing
PartNumber: 201-SSProduct Specifications- Type: A-3
- Part Description: Generator Commutator End Bearing
$13.94OEM (Genuine) Bearings
PartNumber: 90068-10222
Product Specifications- Other Names: Rear Bearing
- Item Dimensions: 2.5 x 2.1 x 0.9 inches
- Item Weight: 0.60 Pounds
- Fitment Type: Direct Replacement
- Part Description: Bearings
$20.08 MSRP:$28.92You Save: $8.84 (31%)
SKF® Alternator Bearing
PartNumber: 6201-ZJProduct Specifications- Quantity Per Application: 1
- UPC: 085311069311
- Part Description: Alternator Bearing
$15.97
National® Generator Commutator End Bearing
PartNumber: 202-SSProduct Specifications- Bore (Inch): 0.591
- Bore (mm): 15.000
- Design: Single Row Radial
- Inner Race Bore (Inch): 0.591
- Inner Race Bore (mm): 15.000
- Inner Race Radius (Inch): 0.024
- Inner Race Radius (mm): 0.610
- Inner Race Width (Inch): 0.433
- Inner Race Width (mm): 11.000
- Outer Race Outside Diameter (Inch): 1.378
- Outer Race Outside Diameter (mm): 35.000
- Outer Race Radius (Inch): 0.024
- Outer Race Radius (mm): 0.610
- Outer Race Width (Inch): 0.433
- Outer Race Width (mm): 11.000
- Outside Diameter (Inch): 1.378
- Outside Diameter (mm): 35.000
- Series: 200
- Type: A-3
- Width (Inch): 0.433
- Width (mm): 11.000
- Part Description: Generator Commutator End Bearing
$13.04OEM (Genuine) Grooved Ball Bearing
PartNumber: 12-31-1-739-203
Product Specifications- Other Names: Bearings, Rear Bearing
- Item Weight: 0.60 Pounds
- Fitment Type: Direct Replacement
- Part Description: Grooved Ball Bearing
$16.41 MSRP:$23.58You Save: $7.17 (31%)
SKF® Generator Drive End Bearing
PartNumber: 6204-2RSJProduct Specifications- Quantity Per Application: 1
- UPC: 085311062633
- Part Description: Generator Drive End Bearing
$15.88
National® Generator Commutator End Bearing
PartNumber: 203Product Specifications- Bore: 0.669"
- Inner Race Bore: 0.669"
- Inner Race Outside Diameter: 3.050"
- Inner Race Radius: 0.024"
- Inner Race Width: 0.472"
- Outer Race Outside Diameter: 1.575"
- Outer Race Radius: 0.024"
- Outer Race Width: 0.472"
- Outside Diameter: 1.575"
- Width Belt: 0.472"
- Part Description: Generator Commutator End Bearing
$14.05
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Next >About Alternator Bearings
The alternator bearing is important because it ensures that the rotor's shaft gets all the energy possible from the pulley. The transfer of energy is more sufficient when there is less friction.
Alternator bearing functionThe alternator bearing has the job of making the alternator turn properly to produce electricity. The electricity is then transferred to the battery, and the electrical power is used in systems such as air conditioning, lighting, and radio. Other systems are powered too but if the alternator bearing goes bad, the electricity won't be transferred to the battery.
Common problems with a bad alternator bearingAn alternator bearing can go bad and once it does you will have a dead battery and a broken alternator.