National JLM104910 Transfer Case Output Shaft Race

National JLM104910 Transfer Case Output Shaft Race

National JLM104910 is a taper bearing cup built from premium-grade steel for transfer case and differential applications that demand accurate bearing support. Its crowned raceway helps distribute load evenly, making it a precise replacement for service work on BMW, Toyota, Ford, Land Rover, and other listed vehicles.

Key Features

• Transfer case output shaft race / taper bearing cup
• Premium-grade steel construction
• Crowned raceway for even load distribution
• Cup bore: 3.2283 in. / 81.9990 mm
• Cup length: 0.6693 in. / 17.0000 mm
• Cup radius: 0.0200 in. / 0.5080 mm
• National part number JLM104910

Detailed Description

This National taper bearing cup is engineered for applications that require a precise race surface and stable bearing support. The crowned raceway helps the bearing carry load more evenly across the contact area, which is important in driveline assemblies where alignment and durability matter. National JLM104910 is listed across a wide range of rear, front inner, rear forward, rear inner, and rear outer positions, including BMW 550i, BMW M5, Toyota Land Cruiser, Ford F-250, and Land Rover Discovery applications.

This part cross-references SKF JLM104948/910 and Wix 49379 for the same application.

What It Helps Address

• Worn or pitted bearing race surfaces
• Excessive driveline noise from a damaged cup
• Improper bearing contact caused by race wear
• Transfer case or differential service on listed BMW, Toyota, Ford, and Land Rover models
• Restoration of correct bearing support during rebuilds

Installation Notes and Tips

Verify cup bore, length, and radius before installation to confirm the correct match for your housing and bearing set. Clean the bore thoroughly, inspect the mating components for scoring or heat damage, and press the race in squarely to avoid distortion. Confirm the exact vehicle configuration, including ring gear size, differential type, axle type, and transfer case notes shown in the fitment data before ordering.

Quality Assurance

National manufactures this taper bearing cup with premium-grade steel and a crowned raceway profile to support consistent load distribution in driveline service applications. Part number JLM104910 is built to meet the dimensional requirements listed above for accurate replacement use.

Compatible Vehicles

• Fits 2006-2009 BMW 550i, Rear, with 8.4646 (in) Ring Gear; with BMW 215K Differential
• Fits 2006-2009 BMW 650i, Rear, with 8.4646 (in) Ring Gear; with BMW 215K Differential
• Fits 2006-2009 BMW 750i, Rear, with 8.4646 (in) Ring Gear; with BMW 215K Differential
• Fits 2006-2009 BMW 750Li, Rear, with 8.4646 (in) Ring Gear; with BMW 215K Differential
• Fits 2008-2009 BMW M3, Rear, with 8.4646 (in) Ring Gear; with BMW 215K Differential
• Fits 2006-2009 BMW M5, Rear, with 8.4646 (in) Ring Gear; with BMW 215K Differential
• Fits 2000-2003 BMW M5, Rear, with 8.4646 (in) Ring Gear; with BMW 215K Differential
• Fits 2006-2009 BMW M6, Rear, with 8.4646 (in) Ring Gear; with BMW 215K Differential
• Fits 2001-2006 BMW M3, Rear, with 8.2677 (in) Ring Gear; with BMW 210 Differential
• Fits 1994-1999 BMW M3, Rear, with 8.2677 (in) Ring Gear; with BMW 210 Differential
• Fits 2004-2005 BMW 545i, Rear, with 8.4646 (in) Ring Gear; with BMW 215K Differential
• Fits 2004-2005 BMW 645Ci, Rear, with 8.4646 (in) Ring Gear; with BMW 215K Differential
• Fits 2002-2005 BMW 745i, Rear, with 8.4646 (in) Ring Gear; with BMW 215K Differential
• Fits 2002-2005 BMW 745Li, Rear, with 8.4646 (in) Ring Gear; with BMW 215K Differential
• Fits 1997-2003 BMW 540i, Rear, with 8.4646 (in) Ring Gear; with BMW 215K Differential
• Fits 2000-2003 BMW Z8, Rear, with 8.4646 (in) Ring Gear; with BMW 215K Differential
• Fits 1997-2001 BMW 740i, Rear, with 8.4646 (in) Ring Gear; with BMW 215 Differential
• Fits 1993-1995 BMW 740i, Rear, with 8.4646 (in) Ring Gear; with BMW 215 Differential
• Fits 1993-2001 BMW 740iL, Rear, with 8.4646 (in) Ring Gear; with BMW 215 Differential
• Fits 1995-2001 BMW 750iL, Rear, with 8.4646 (in) Ring Gear; with BMW 215 Differential
• Fits 1998-2000 BMW Z3, Rear, with 8.2677 (in) Ring Gear; with BMW 210 Differential
• Fits 1998 Ford F-250, Front Inner, with Spicer IFS-Heavy Duty Axle
• Fits 1980-1996 Ford F-250, Front Inner, with Spicer IFS-Heavy Duty Axle
• Fits 1994-1998 Land Rover Discovery, Rear Forward, Full Time 4WD; with Rover LT230T Transfer Case; 2 Speed
• Fits 1993-1998 Toyota T100, Front Inner
• Fits 1996-1997 BMW 840Ci, Rear, with 8.4646 (in) Ring Gear; with BMW 215 Differential
• Fits 1995-1997 BMW 850Ci, Rear, with 8.2677 (in) Ring Gear; with BMW 210 Differential
• Fits 1997 Ford F-250 HD, Front Inner, with Spicer IFS-Heavy Duty Axle
• Fits 1997 Land Rover Defender 90, Rear Forward, Full Time 4WD; with Rover LT230T Transfer Case; 2 Speed
• Fits 1994-1995 Land Rover Defender 90, Rear Forward, Full Time 4WD; with Rover LT230T Transfer Case; 2 Speed
• Fits 1996-1997 Lexus LX450, Front Inner
• Fits 1996-1997 Lexus LX450, Rear Inner
• Fits 1975-1997 Toyota Land Cruiser, Rear Inner, Full-Floating
• Fits 1976-1997 Toyota Land Cruiser, Front Inner
• Fits 1994-1995 BMW 540i, Rear, with 8.4646 (in) Ring Gear; with BMW 215 Differential
• Fits 1995 BMW 840Ci, Rear, with 8.2677 (in) Ring Gear; with BMW 210 Differential
• Fits 1995 BMW 850CSi, Rear, with 8.2677 (in) Ring Gear; with BMW 210 Differential
• Fits 1984-1995 Toyota 4Runner, Front Inner
• Fits 1986-1995 Toyota Pickup, Rear Inner, With Dual Rear Wheels
• Fits 1979-1995 Toyota Pickup, Front Inner
• Fits 1991-1993 BMW M5, Rear, with 8.4646 (in) Ring Gear; with BMW 215 Differential
• Fits 1980-1993 Dodge Ramcharger, Front Inner
• Fits 1980-1993 Dodge W150, Front Inner
• Fits 1986-1993 Dodge W250, Front Inner, with Spicer 44F-BJ Axle
• Fits 1993 Land Rover Defender 110, Rear Forward, Full Time 4WD; with Rover LT230T Transfer Case; 2 Speed
• Fits 1987-1991 Chevrolet Blazer, Front Inner
• Fits 1989-1991 Chevrolet V1500 Suburban, Front Inner
• Fits 1989-1991 Chevrolet V2500 Suburban, Front Inner
• Fits 1978-1991 GMC Jimmy, Front Inner
• Fits 1987-1991 GMC V1500 Suburban, Front Inner
• Fits 1987-1991 GMC V2500 Suburban, Front Inner
• Fits 1984-1991 Jeep Grand Wagoneer, Front Inner
• Fits 1986-1989 Dodge W100, Front Inner
• Fits 1981-1989 Porsche 911, Rear Outer
• Fits 1976-1977 Porsche 911, Rear Outer
• Fits 1987-1988 Chevrolet V10 Suburban, Front Inner
• Fits 1987-1988 Chevrolet V20 Suburban, Front Inner
• Fits 1978-1988 Jeep J10, Front Inner
• Fits 1978-1988 Jeep J20, Front Inner
• Fits 1987-1988 Land Rover Range Rover, Rear Forward, Full Time 4WD; with Rover LT230T Transfer Case; 2 Speed
• Fits 1970-1974 Land Rover Range Rover, Rear Forward, Full Time 4WD; with Rover LT230T Transfer Case; 2 Speed
• Fits 1987 Chevrolet V10, Front Inner
• Fits 1987 Chevrolet V20, Front Inner
• Fits 1987 GMC V1500, Front Inner
• Fits 1987 GMC V2500, Front Inner
• Fits 1978-1986 Chevrolet K10, Front Inner
• Fits 1978-1986 Chevrolet K10 Suburban, Front Inner
• Fits 1978-1986 Chevrolet K20, Front Inner
• Fits 1978-1986 Chevrolet K20 Suburban, Front Inner
• Fits 1978-1986 Chevrolet K5 Blazer, Front Inner
• Fits 1979-1986 GMC K1500, Front Inner
• Fits 1979-1986 GMC K1500 Suburban, Front Inner
• Fits 1979-1986 GMC K2500, Front Inner
• Fits 1979-1986 GMC K2500 Suburban, Front Inner
• Fits 1979-1986 Maserati Quattroporte, Rear Outer
• Fits 1981-1985 Dodge W250, Front Inner, without Locking Hubs; with Spicer 44F-BJ Axle
• Fits 1981-1985 Dodge W250, Front Inner, with Locking Hubs; with Spicer 44F-BJ Axle
• Fits 1978-1983 Jeep Cherokee, Front Inner
• Fits 1978-1983 Jeep Wagoneer, Front Inner
• Fits 1980 Dodge W200, Front Inner, with Locking Hubs; with Spicer 44F-BJ Axle
• Fits 1980 Dodge W200, Front Inner, without Locking Hubs; with Spicer 44F-BJ Axle
• Fits 1977-1979 Ford F-250, Front Inner, with Spicer 44-9F Axle
• Fits 1977 Chevrolet K10, Front Inner, 2nd Design; 3.228 (in) Cup Bore; 0.669 (in) Cup Length
• Fits 1977 Chevrolet K10 Suburban, Front Inner, 2nd Design; 3.228 (in) Cup Bore; 0.669 (in) Cup Length
• Fits 1977 Chevrolet K20, Front Inner, 2nd Design; 3.228 (in) Cup Bore; 0.669 (in) Cup Length
• Fits 1977 Chevrolet K20 Suburban, Front Inner, 2nd Design; 3.228 (in) Cup Bore; 0.669 (in) Cup Length
• Fits 1977 Chevrolet K5 Blazer, Front Inner, 2nd Design; 3.228 (in) Cup Bore; 0.669 (in) Cup Length
• Fits 1976-1977 Ford F-250, Front Inner, with SpiceR 44-6CF Axle
• Fits 1977 GMC Jimmy, Front Inner, 2nd Design; 3.228 (in) Cup Bore; 0.669 (in) Cup Length
• Fits 1977 Jeep Cherokee, Front Inner, with Spicer 44-1F Axle
• Fits 1977 Jeep Wagoneer, Front Inner, with Spicer 44-1F Axle