A stiff or noisy blade assembly may result from a worn bearing, damaged seal, or loose mounting hardware. This service kit provides the bearing assembly, blade, acorn nut, O-ring, and washers needed to restore smooth rotation. First inspect the jar and motor coupling to rule out related damage. Match the kit to the full appliance model an...Read mored correct jar design. Disconnect power before disassembly and protect your hands from the sharp blade. Reassemble each component in the proper sequence, verify that the shaft turns freely, and check the jar carefully for leaks before normal use.
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Judy - For model number KSBC1B0CU0
July 14, 2026
I need replacement bldes
Hi Judy, thank you for getting in touch. The blade assembly for your model is part number PS11764749. We hope that helps!