MK1008408 Wheel Bearing Seal Kit Product Info:
- Seal 1 Diameter Inner (ID) 43.5mm; Outer (OD) 62mm; Height 6.5mm
- Seal 2 Diameter Inner (ID) 65mm; Outer (OD) 83mm; Height 12.5mm
- Bearing 1 Diameter Inner (ID)35mm; Outer (OD) 62mm; Height 14mm
- Bearing 2 Diameter Inner (ID)25.4mm; Outer (OD) 50.3mm; Height 14.9mm
Included in This Kit:(QTY 4) 
NICHE 519-CBB2220R Single Row, Deep Groove, Ball BearingSubstitute For OEM Part Numbers(s): 96150-60070-10, 91054-HC4-003, 91052-HB3-771, 91052-H33-771, 835163M1, 4-156-462, 339800X1, 233833, 06912-HN2-010, 06912-HN2-000, 0402-339
(QTY 4) 
NICHE 519-CBB2240R Tapered Roller BearingSubstitute For OEM Part Numbers(s): N71319942, 3554507, 3554506, 3515501, 3514634, 3514342, 3514001, 3513523, 3233019
(QTY 4) 
NICHE 519-COR2246N O-RingSubstitute For OEM Part Numbers(s): 
(QTY 4) 
NICHE 519-CSE2231A Seal Type TC 43.5x62x6.5Substitute For OEM Part Numbers(s): 3610013
(QTY 2) 
NICHE 519-CSE2242A Seal Type TC 65x83x12Substitute For OEM Part Numbers(s): 
Compatible with the Following Vehicles:
Polaris Trail Boss 250 2X4: 1990
Polaris Trail Boss 250: 1987-1990
Polaris Trail Boss 250R: 1987
 WARNING: This product can expose you to chemicals including lead and phthalates, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov