Bearings

BMW part number	Typical use	Size & type ID x OD x width	Bearing number
07 11 9 985 070 31 42 7 663 941	Steering head bearing, /5 through F800	28x52x16	SKF 320/28 X/Q FAG 32028
07 11 9 985 005	'55 through '84 tapered wheel bearings, all swingarms up to 1/81	17x40x13.25 tapered roller	SKF 30203
23 12 1 338 795	Airhead transmission output shaft (with special inner race BMW-only)	62X17X17	6403
23 12 1 231 495	Airhead transmissions	20X52X15	6304
23 12 1 233 808	Airhead transmission rear intermediate shaft	20X52X15	6304-RS
23 12 1 338 466	Airhead transmission rear output shaft (Paralever)	20X52X15	6304-2RS
23 12 7 709 852	Transmission input shaft K2x	20x52X15
23 12 2 325 518	R1100 trans input front and output rear	25x52X15	6205LU
23 12 2 325 520 23 12 7 709 867	R1100 trans input rear. Needs a wide inner race.	20x52X15	6304LU
23 12 2 325 521	R1100 trans intermediate front	17x47X14	6303LU
23 12 2 325 522	R1100 trans intermediate rear	17x59X20
23 12 2 325 519 23 12 2 330 176	R1100 & R1150 transmission	20x47X14	TM204
23 12 2 330 175	R1150 input shaft rear	17x35X10
23 12 7 709 798	Transmission K2x & R18	22x56X16
23 12 7 709 809	Transmission K2x & R18	25x62X17
23 12 7 693 787	R1200S, HP2E, HP2M input shaft through '06 helical end	20x47X15
23 12 7 693 788	R1200S, HP2E, HP2M input shaft through '06 rear end, OBS by 521	17x47X15
23 11 7 687 089	Early K2X intermediate and output shaft	25x52X15	TM206
31 42 2 314 723	Upper triple clamp, some R1100	20x47X20,6	3204-2RS
31 42 7 718 392	Steering head ball bearing for R nine T and S1000R/RR		KOYO SAC3055-1
31 42 8 548 780	Steering head ball bearing for ~2015-on, S1000XR
33 12 1 451 188	Final drive ring gear small bearing, K100 through R1150	52x25x16.25 tapered roller	SKF 30205 J2/Q  07 043
33 12 1 236 995	Final drive pinion needle bearing, mono/para through R1150	15x30x18 needle sleeve	INA F-90445
33 11 7 683 038	Final drive pinion needle bearing, K2x through '06	16x30x16.5 needle sleeve	INA F-554254
33 11 7 698 132	Final drive pinion needle bearing, K2x 2007-on	16x32x16.5 needle sleeve	INA F-556491
33 12 2 310 925	Final drive pinion large bearing, K100 through R1150	25x62x25.4 roller & ball	F-213832 F-229445
33 11 7 650 089	Final drive pinion large bearing, R11S/K12/R12C	25x62x25.4 roller & ball
33 11 7 720 235	EVO FD main sealed	101x65x18	6013
33 11 7 722 799	EVO FD main unsealed	101x65x18	6013
33 12 1 452 214 33 12 1 452 216	Final drive tapered ring gear bearing Monolever	25x47x15	SKF 32005X/Q
33 12 1 468 899 33 12 1 242 210 33 12 1 242 211	Final drive ring gear large bearing, R80 through R1150	85x120x18 grooved ball	61917/C3
33 17 2 311 091	Paralever pivot bearing, R80GS through R1150	17x32x10	FAG 10-6465A
33 17 1 242 618 33 17 1 241 546	Swingarm bearing 1/81 thru K11	17x40x17 tapered roller	FAG 540619 NF 32203?
33 17 2 311 729	Swingarm bearing Oilhead and later	tapered roller bearing
33 81 8 543 930	K7x sprocket carrier	20x47x14	6204-2RSH
	Bosch 50A alternator rear bearing		6203LHA
36 31 1 450 859 36 31 1 450 967	Front wheel Y-spoke, 3-spoke, R100GS/R	25x47x12	6005
36 31 1 242 854	Front wheel, R65LS, R80G/S front	17x40x12 ball	6203
36 31 2 310 972	Front wheel, R11 3-spoke left, K 3-spoke right (radial only), R11xxGS left	25x52x20.6 grooved ball	INA 3205-2RS F0712
36 31 2 311 030 36 31 2 311 031	Front wheel, 3-spoke K right side	25x47x16 angular contact
36 31 8 531 207	Front wheel, newer bikes	25x47x12	6005DU
36 31 2 312 520 36 31 8 534 835	/3, R11, F650, LC, F800 F&R, many bikes	20x47x14	6204-2RS1

Cross reference