King Bearings Main Bearings .020X GM Small Block 262ci, 267ci, 302ci, 307ci, 327ci, 350ci
Brand: King Bearings
Manufacturer's Part Number: MB 557XP020X
Stealth Ride Part Number: MB 557XP020X
UPC: 611500530203
Description:
Description: GM Small Block 262ci, 267ci, 302ci, 307ci, 327ci, 350ci
Bearing Types:
MB - Main bearing set
CR - Con Rod bearing set
CS - Camshaft bearing set
TW - Thrust washer set
Material construction:
HP - Bi-metal aluminum Silicon Alloy
XP - Tri-metal copper lead
Bearing Features:
N - Narrowed
D - Dowel
Bearing size inches
Dimension / Under Size e.g. "STD" for Standard, X equals .001" extra Clearance
| Bearing Size Inches | STDX | STD | .001" | 010X | .010" | .011" | 020X | .020" | .021" | .030" |
| Bearing Size metric | STDX | STD | .025 | | .25 | | | 0.5 | | 0.75 |
| Crankshaft undersize | 0 | 0 | 0 | -.010" | -.010" | -.010" | -.020" | -.020" | -.020" | -.030" |
| Additional Shell Thickness (on nominal) | -.0005" | 0 | +.0005" | +.0045" | +.005" | +.0055" | +.0095" | +.010" | +.0105" | +.015" |
Metal Structure : Tri-metal copper lead.
Race Type: Circle track, Off-road, off-shore, others that require steel crankshafts.
Engine requirements: High load - Long Duration.
HIGHER LOAD CAPACITY
The only bearing with load capacity of 17,000psi in the intermediate and 10,200psi in the overlay
BETTER FATIGUE RESISTANCE
The only bearing that goes through a hardening process creating a black fatigue resistance shield, which makes the overlay 24% stronger than any other bearing (11.5hv vs 14.5hv)
MORE ACCURACY
The only bearings with wall thickness variation of ±.0001” as a standard in comparison to ±0.00025”.
MORE CONSISTENCY
from bearing to bearing, requiring less adjustment during assembly
ONE SET FITMENT
The only bearings that don’t require you to buy multiple sets to achieve desired oil clearance
More Information | Barcode | 611500530203 |
| UPC Code | 611500530203 |
| Old Part Number | MB557XP020X |
| Shipping Weight (Dimensional) | 1.540000 |
| Clearance Sale | No |
| Availability | Back Ordered |
| Part Type | Main Bearings |
| Make | Chevrolet, GM |
| Brand | King Bearings |
| Competitor Interchange Part Number | 5M909H MS-909H 139M |
| Bearing Class | Race |
| Bearing oversize | 0.020" / 0.5mm |
| Carb Legal | Unspecified |
| Shipping Label | |
Please note: This is a special order item by Stealth Ride. Usual wait times are 5–15 working days. If your order is urgent or you're concerned about potential delays, please contact us before purchasing.
