... UNCONDITIONAL RETURN material:52100;GCr15;GCr15SiMn Features and specification of TLD bearingSeries 181100,87100,81200, ... 29300,29400series 3single row, two row, multi-row and six rowRing MaterialGCr15, GCr15SiMn, Chrom steel, 52100Cage ... materialBrass, steelID size80mm— 1600mmQuality standardISO9001:2000 and ISO9001:2000/ISO14001:2004PrecisionP0, P6, P5ClearanceC2, C3, C4 ...