| Model No. | Inner Diameter | Outer Diameter | Width | Brand | Type |
| 691 | 1 | 4 | 1.6 | ISC | DEEP GROOVE BALL BEARINGS |
|---|---|---|---|---|---|
| 691 | 1 | 4 | 1.6 | NTN | DEEP GROOVE BALL BEARINGS |
| FL691 | 1 | 4 | 1.6 | NTN | DEEP GROOVE BALL BEARINGS |
| 691 | 1 | 4 | 1.6 | CONSOLIDATED | DEEP GROOVE BALL BEARINGS |
| F-691 | 1 | 4 | 1.6 | CONSOLIDATED | DEEP GROOVE BALL BEARINGS |
CX - FBJ - ISO - KOYO - NACHI - NKE - NSK - SIGMA - SNR - AST - SKF - ISB - FAG - MPZ - CRAFT - NTN - Timken - Fersa - ZEN - CYSD - PFI - Gamet - KBC - Febi - INA - RHP - BB Bearing - PSL - NTNSNR - NBK - NBZH - ZVL - UBP - ZXY - BMW - LYC - C&U - Ruville - NMB - XIN - ORS - KOMATSU - FKC - FKL - LuK - National - FLT - ILJIN - VBF - TORRINGTON - KAYO - CHINA - HRB - TECHMASTER - CJB - Andale - IJK - NBS - IKO - SXYZ - Enduro - Bones Bearings - HIC - GBC - Honda - CLAAS - LS - Samick - SNFA - FYH - Shorty's - FKD - Bronson Speed Co. - Bustin - NMD - LEMKEN - ELGES - JRH - Harley Davidson - JNS - OUST - Modus Speed Bearings - FSA - MB Bearing - NRB - Primitive - SMB - ZEN Group - Rush - Shake Junt - Spitfire -
Self-Aligning Ball Bearings -Angular Contact Ball Bearings -Deep Groove Ball Bearings -Plain Bearings -Tapered Roller Bearings -Cylindrical Roller Bearings -Spherical Roller Bearings -Thrust Ball Bearings -Thrust Roller Bearings -Needle Roller Bearings -Wheel Bearings -Skateboard Bearings -Complex Bearings -Linear Bearings -Bearing Units -