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ADD:Linqing city, liaocheng city of shandong
province town of smoke shops bearing
international trade city 8-1
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Description of NSK Bearing CodeDescription of NSK Bearing Post Code Xu (1) Internal Structure A - Bearings with different internal design and standard. A - Angular contact ball bearing, contact angle is 30 degrees. NSK A5 - angular contact ball bearing, contact angle is 25 degrees. B - Angular contact ball bearing, contact angle is 40 degrees. C - angular contact ball bearing, contact angle is 15 degrees. C - tapered roller bearing, contact angle is 20 degrees. D - tapered roller bearing, contact angle is 28 degrees. C, CA (with brass solid cage), CD (with stamping cage) - high load self-aligning roller bearing. E - Cylindrical roller bearing with high load. H - High load thrust self-aligning roller bearing. J - Small end diameter, angle and outer ring width of outer ring raceway of tapered roller bearings are in accordance with ISO regulations. Xanthium (2) Material G - Ring, rolling body is carburized steel. H - Ring, rolling element is stainless steel. Pickle (3) cage M - copper alloy solid cage. T - synthetic resin cage. W - Stamping cage. V - No cage. Seal ring, dust cover Z, ZS - one side with steel dust cover. ZZ, ZZS - Dust-proof cover with steel plate on both sides. D, DU - one side with contact rubber sealing ring. DD, DDU - Rubber sealing ring with contact on both sides. V - One side with non-contact rubber sealing ring. VV - Non-contact rubber sealing ring on both sides. Hu (5) Ring Shape K - Conical hole, taper 1:12. K30 - Conical hole, taper 1:30. E - There are incisions or oil holes in the ring. E4 - Outer ring with oil tank, oil hole. N - Outer diameter of outer ring with stop groove. NR - Outer diameter of outer ring with stop groove, stop ring. Pickling (6) Matching and Padding DB - Back-to-Back Pair Installation. DF - Face to face installation in pairs. DT - Pair installation in series. + K - Outer ring with gasket. + L - inner ring with liner. + KL - inner and outer rings with gaskets. Xu(7) Clearance C1 - radial clearance of centripetal bearing, smaller than C2 clearance. C2 - radial clearance of centripetal bearing, smaller than standard clearance. CN (omitted) - Radial standard clearance of centripetal bearing. C3 - Radial clearance of centripetal bearing, larger than standard clearance. C4 - radial clearance of centripetal bearing, larger than C3 clearance. C5 - radial clearance of centripetal bearing, larger than C4 clearance. CC1 - Cylindrical roller bearing (not interchangeable) radial clearance, smaller than CC2 clearance. CC2 - Cylindrical roller bearing (not interchangeable) radial clearance, smaller than the standard clearance. CC - Radial standard clearance of cylindrical roller bearings (not interchangeable). CC3 - Cylindrical roller bearing (not interchangeable) radial clearance, larger than the standard clearance. CC4 - Cylindrical roller bearing (not interchangeable) radial clearance, larger than CC3 clearance. CC5 - Cylindrical roller bearing (not interchangeable) radial clearance, larger than CC4 clearance. MC1 - Small, micro ball bearing radial clearance, smaller than MC2 clearance. MC2 - Small, micro ball bearing radial clearance, smaller than MC3 clearance. MC3 - Standard clearance for radial clearance of small, miniature ball bearings. MC4 - Small, micro ball bearing radial clearance, larger than MC3 clearance. MC5 - Small, micro ball bearing radial clearance, larger than MC4 clearance. MC6 - Small, micro ball bearing radial clearance, larger than MC5 clearance. CM - The radial clearance of deep groove ball bearings and cylindrical roller bearings for motor. CT - Radial clearance of cylindrical roller bearings for motor. Xu (8) Tolerance Grade P 0 (omitted) - Tolerance grade is 0 according to JIS standard. P6 - The tolerance grade is in accordance with the JIS standard. P6X - Grade 6X of tolerance according to JIS standard. P5 - The tolerance grade is in accordance with the JIS standard. P4 - Grade 4 of tolerance grade in accordance with JIS standard. P2 - Grade 2 of tolerance according to JIS standard. Special Specification of Xu (9) X26 - Use temperature limit below 150 degrees Celsius. X28 - Use temperature limit below 200 degrees Celsius. X29 - Use temperature limit below 250 degrees Celsius. S11 - Self-aligning roller bearing, use temperature limit below 200 degrees Celsius. |