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OEM (Genuine) Washer, Thrust (Daido)
PartNumber: 13331-PCX-003
Product Specifications- Item Dimensions: 3.3 x 1.6 x 0.1 inches
- Item Weight: 0.40 Pounds
- Fitment Type: Direct Replacement
- Replaces: 13331-PNA-004
- Part Description: Washer, Thrust (Daido)
$11.03 MSRP:$15.56You Save: $4.53 (30%)
Sealed Power® Vintage Crankshaft Main Bearing Set
PartNumber: 4130MProduct Specifications- Package Alert: Full set
- Part Material: Steel Backed Overplated Bronze Alloy
- Size: Standard
- UPC: 724956117888
- Part Description: Vintage Crankshaft Main Bearing Set
$259.33OEM (Genuine) Bearing A, Main (Upper) (Black) (Daido)
PartNumber: 13321-P8A-A01
Product Specifications- Other Names: Bearing, Bearings
- Item Dimensions: 3.2 x 1.4 x 0.8 inches
- Item Weight: 0.50 Pounds
- Fitment Type: Direct Replacement
- Replaces: 13321-RDJ-A01
- Part Description: Bearing A, Main (Upper) (Black) (Daido)
$16.32 MSRP:$22.93You Save: $6.61 (29%)OEM (Genuine) Bearing A, Main (Lower) (Black) (Daido)
PartNumber: 13341-P8A-A01
Product Specifications- Other Names: Bearing, Bearings
- Item Dimensions: 3.2 x 1.5 x 0.8 inches
- Item Weight: 0.50 Pounds
- Fitment Type: Direct Replacement
- Replaces: 13341-RDJ-A01
- Part Description: Bearing A, Main (Lower) (Black) (Daido)
$16.32 MSRP:$22.93You Save: $6.61 (29%)
Sealed Power® Crankshaft Main Bearing Set
PartNumber: 5110MProduct Specifications- Package Alert: Full set
- Part Material: Steel Backed Overplated Bronze Alloy
- Size: Standard
- UPC: 724956153633
- Part Description: Crankshaft Main Bearing Set
$181.63OEM (Genuine) Bearing Set-Crankshaft
PartNumber: 2102025150
Product Specifications- Other Names: Bearing, Thrust Bearing
- Item Dimensions: 6.1 x 4.0 x 2.0 inches
- Item Weight: 0.40 Pounds
- Fitment Type: Direct Replacement
- Part Description: Bearing Set-Crankshaft
$10.76 MSRP:$14.35You Save: $3.59 (26%)
Sealed Power® Crankshaft Main Bearing Set
PartNumber: 7409MProduct Specifications- Package Alert: Full set
- Part Material: Steel Backed Overplated Bronze Alloy
- Size: Standard
- UPC: 614046846852
- Part Description: Crankshaft Main Bearing Set
$176.81OEM (Genuine) Bearings
PartNumber: 7T4Z-6D309-A
Product Specifications- Other Names: Bearing, Bearings
- Item Dimensions: 3.3 x 3.1 x 1.3 inches
- Item Weight: 0.60 Pounds
- Fitment Type: Direct Replacement
- Part Description: Bearings
$16.88 MSRP:$24.67You Save: $7.79 (32%)
Sealed Power® Crankshaft Main Bearing Set
PartNumber: 7325MProduct Specifications- Package Alert: Full set
- Part Material: Steel Backed Overplated Bronze Alloy
- Size: Standard
- UPC: 614046039063
- Part Description: Crankshaft Main Bearing Set
$137.06OEM (Genuine) Bearing Pair Set-Crank Shaft Center
PartNumber: 21020-25150Product Specifications- Other Names: Bearing, Thrust Bearing
- Item Dimensions: 6.1 x 4.0 x 2.0 inches
- Item Weight: 0.40 Pounds
- Fitment Type: Direct Replacement
- Part Description: Bearing Pair Set-Crank Shaft Center
$10.92 MSRP:$14.69You Save: $3.77 (26%)
Sealed Power® A Series Vintage Aluminum Partial Grooved Crankshaft Main Bearing Set
PartNumber: 4924MAProduct Specifications- Material: A-Series Aluminum Bearings
- Package Alert: Full set
- Part Material: A-Series Aluminum
- Set Type: Main Set
- Size: Standard
- Sizes: Standard-10-20-30
- UPC: 614046632356
- Part Description: A Series Vintage Aluminum Partial Grooved Crankshaft Main Bearing Set
$123.71OEM (Genuine) Bearing B, Main (Black) (Daido)
PartNumber: 13322-PCX-013
Product Specifications- Item Dimensions: 2.0 x 1.2 x 0.8 inches
- Item Weight: 0.50 Pounds
- Fitment Type: Direct Replacement
- Replaces: 13322-PCX-003
- Part Description: Bearing B, Main (Black) (Daido)
$14.08 MSRP:$19.87You Save: $5.79 (30%)
Sealed Power® Vintage Crankshaft Main Bearing Set
PartNumber: 4664MProduct Specifications- Material: Overplated Copper-Lead Alloy
- Package Alert: Full set
- Part Material: Steel Backed Overplated Bronze Alloy
- Set Type: Main Set
- Size: Standard
- Sizes: Standard-10-20-30
- UPC: 724956135578
- Part Description: Vintage Crankshaft Main Bearing Set
$117.79OEM (Genuine) Washer, Thrust
PartNumber: 13331-P8A-A01
Product Specifications- Other Names: Thrust Bearing
- Item Dimensions: 4.0 x 1.8 x 0.1 inches
- Item Weight: 0.40 Pounds
- Fitment Type: Direct Replacement
- Part Description: Washer, Thrust
$10.61 MSRP:$14.97You Save: $4.36 (30%)
Sealed Power® Vintage Overplated Copper Lead Alloy Crankshaft Main Bearing Set
PartNumber: 4221MProduct Specifications- Material: Overplated Copper-Lead Alloy
- Package Alert: Full set
- Part Material: Steel Backed Overplated Bronze Alloy
- Set Type: Main Set
- Size: Standard
- Sizes: Standard-10-20-30
- UPC: 724956124022
- Part Description: Vintage Overplated Copper Lead Alloy Crankshaft Main Bearing Set
$119.59OEM (Genuine) Bearing Pair Set-Crank Shaft Center
PartNumber: 21030-2E000
Product Specifications- Other Names: Thrust Bearing
- Item Dimensions: 9.4 x 9.1 x 7.3 inches
- Item Weight: 2.20 Pounds
- Fitment Type: Direct Replacement
- Part Description: Bearing Pair Set-Crank Shaft Center
$19.06 MSRP:$25.65You Save: $6.59 (26%)
Sealed Power® Crankshaft Main Bearing Set
PartNumber: 7419MProduct Specifications- Package Alert: Full set
- Part Material: Steel Backed Overplated Bronze Alloy
- Size: Standard
- UPC: 614046839076
- Part Description: Crankshaft Main Bearing Set
$109.78OEM (Genuine) Bearings
PartNumber: 89017571
Product Specifications- Other Names: Bearing
- Item Dimensions: 4.3 x 4.1 x 2.1 inches
- Item Weight: 0.40 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12533768, 89017469, 88890525
- Part Description: Bearings
$47.20 MSRP:$74.95You Save: $27.75 (38%)
Sealed Power® A Series Aluminum Crankshaft Main Bearing Set
PartNumber: 7388MAProduct Specifications- Package Alert: Full set
- Part Material: A-Series Aluminum
- Size: Standard
- UPC: 614046637351
- Part Description: A Series Aluminum Crankshaft Main Bearing Set
$107.18OEM (Genuine) Bearing
PartNumber: 8L3Z-6A341-A
Product Specifications- Other Names: Bearing, Thrust Bearing, Thrust Washer
- Item Weight: 0.40 Pounds
- Fitment Type: Direct Replacement
- Part Description: Bearing
$7.55 MSRP:$10.84You Save: $3.29 (31%)
Sealed Power® Vintage 7 Full Groove Crankshaft Main Bearing Set
PartNumber: 4290MProduct Specifications- Package Alert: Full set
- Part Material: Steel Backed Overplated Bronze Alloy
- Size: Standard
- UPC: 724956125753
- Part Description: Vintage 7 Full Groove Crankshaft Main Bearing Set
$107.86OEM (Genuine) Bearing D, Main (Upper) (Green) (Daido)
PartNumber: 13324-PRB-A01
Product Specifications- Other Names: Upper Bearing
- Item Dimensions: 2.4 x 1.1 x 0.9 inches
- Item Weight: 0.50 Pounds
- Fitment Type: Direct Replacement
- Part Description: Bearing D, Main (Upper) (Green) (Daido)
$17.12 MSRP:$24.17You Save: $7.05 (30%)
Sealed Power® Vintage Grooved Upper Crankshaft Main Bearing Set
PartNumber: 4040MProduct Specifications- Material: Overplated Copper-Lead Alloy
- Package Alert: Full set
- Part Material: Steel Backed Overplated Bronze Alloy
- Set Type: Main Set
- Size: Standard
- Sizes: Standard-1-10-20-30
- UPC: 724956114221
- Part Description: Vintage Grooved Upper Crankshaft Main Bearing Set
$103.44OEM (Genuine) Bearing D, Main (Lower) (Green) (Daido)
PartNumber: 13344-PRB-A01
Product Specifications- Other Names: Lower Bearings
- Item Dimensions: 2.6 x 1.3 x 0.8 inches
- Item Weight: 0.50 Pounds
- Fitment Type: Direct Replacement
- Part Description: Bearing D, Main (Lower) (Green) (Daido)
$17.12 MSRP:$24.17You Save: $7.05 (30%)
Sealed Power® A Series Aluminum Crankshaft Main Bearing Set
PartNumber: 7298MAProduct Specifications- Material: A-Series Aluminum Bearings
- Package Alert: Full set
- Part Material: A-Series Aluminum
- Set Type: Main Set
- Size: Standard
- Sizes: Standard-10-20-30
- UPC: 614046634350
- Part Description: A Series Aluminum Crankshaft Main Bearing Set
$96.76OEM (Genuine) Bearing C, Main (Upper) (Brown) (Daido)
PartNumber: 13323-PRB-A01
Product Specifications- Other Names: Upper Bearing
- Item Dimensions: 2.5 x 1.2 x 0.8 inches
- Item Weight: 0.50 Pounds
- Fitment Type: Direct Replacement
- Part Description: Bearing C, Main (Upper) (Brown) (Daido)
$17.12 MSRP:$24.17You Save: $7.05 (30%)
Sealed Power® A Series Vintage Aluminum Partial Grooved Crankshaft Main Bearing Set
PartNumber: 5025MAProduct Specifications- Material: A-Series Aluminum Bearings
- Package Alert: Full set
- Part Material: A-Series Aluminum
- Set Type: Main Set
- Size: Standard
- Sizes: Standard-10-20-30
- UPC: 614046632585
- Part Description: A Series Vintage Aluminum Partial Grooved Crankshaft Main Bearing Set
$95.04
Sealed Power® Vintage Crankshaft Main Bearing Set
PartNumber: 960MProduct Specifications- Package Alert: Full set
- Part Material: Steel Backed Overplated Bronze Alloy
- Size: Standard
- UPC: 724956211746
- Part Description: Vintage Crankshaft Main Bearing Set
$98.84OEM (Genuine) Bearings
PartNumber: 12656815
Product Specifications- Other Names: Bearing, Thrust Bearing
- Item Dimensions: 4.2 x 4.1 x 2.2 inches
- Item Weight: 0.70 Pounds
- Replaced by: 12729654
- Part Description: Bearings
$37.73 MSRP:$59.91You Save: $22.18 (38%)
Sealed Power® Vintage Crankshaft Main Bearing Set
PartNumber: 4094MProduct Specifications- Material: Overplated Copper-Lead Alloy
- Package Alert: Full set
- Part Material: Steel Backed Overplated Bronze Alloy
- Set Type: Main Set
- Size: Standard
- Sizes: Standard-10-20-30-40-60
- UPC: 724956115983
- Part Description: Vintage Crankshaft Main Bearing Set
$95.40
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Next >About Engine Main Bearing
The main bearings are typically plain bearings that are secured by the engine block as well as the bearing caps. The number of main bearings depends on the engine.
Engine main bearing principleThe overall load factor and greatest engine speed are decided by the number of the main bearing. When you increase the number of bearings in an engine the engine size and value will increase, but it also reduces bending tension. Many engines have a minimum of two main bearings at both ends of the crankshaft. Extra bearings can be mounted on the crankshaft like modern diesel engines that are built for high RPM.
Common problems with a faulty engine main bearingA faulty engine main bearing can lead to knocking noises, and an increase in pressure as well as heat.