... 3. Long life 4. Prompt delive Spherical Roller Bearing 1) Series: 21300, 22200, 22300, 23100, 23200, 24000, 24100 and 239002) Material ... outer ring, with three oil holes (i) C2/C3/C4: Internal clearance series: C0, C2, C3, and C4 6) Typical applications: mine ...