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								Tel:0086-29-88332871
							    Fax:0086-29-88338589
								E-mail:tang@hthbearing.com
								Address:Room 1101, Block 9 Taihua Jinmao International Plaza, No.16 South of Fenghui  Road, High-tech Zone, Xi’an, Shaanxi Province, China
                               
								
							
						Product size and parameters
			| Bearing Number | Boundary dimensions(mm) | Basic load ratings(kN) | Limiting speeds(rpm) | Mass(kg) | |||||
| WN | d | D | B | rs min | Cr | Cor | Grease | Oil | (Approx.) | 
| 21308 | 40 | 90 | 23 | 1.5 | 88 | 90 | 3 200 | 4 900 | 0.705 | 
| 21308K | 40 | 90 | 23 | 1.5 | 88 | 90 | 3 200 | 4 900 | 0.694 | 
| 21308KW33C3 | 40 | 90 | 23 | 1.5 | 88 | 90 | 3 200 | 4 900 | 0.694 | 
| 21308W33C3 | 40 | 90 | 23 | 1.5 | 88 | 90 | 3 200 | 4 900 | 0.705 | 
| 21309 | 45 | 100 | 25 | 1.5 | 102 | 106 | 2 900 | 4 400 | 0.927 | 
| 21309K | 45 | 100 | 25 | 1.5 | 102 | 106 | 2 900 | 4 400 | 0.912 | 
| 21309KW33C3 | 45 | 100 | 25 | 1.5 | 102 | 106 | 2 900 | 4 400 | 0.912 | 
| 21309W33C3 | 45 | 100 | 25 | 1.5 | 102 | 106 | 2 900 | 4 400 | 0.927 | 
| 21310 | 50 | 110 | 27 | 2 | 118 | 127 | 2 600 | 4 000 | 1.21 | 
| 21310K | 50 | 110 | 27 | 2 | 118 | 127 | 2 600 | 4 000 | 1.19 | 
| 21310KW33C3 | 50 | 110 | 27 | 2 | 118 | 127 | 2 600 | 4 000 | 1.19 | 
| 21310W33C3 | 50 | 110 | 27 | 2 | 118 | 127 | 2 600 | 4 000 | 1.21 | 
| 21311 | 55 | 120 | 29 | 2 | 145 | 163 | 2 400 | 3 700 | 1.71 | 
| 21311K | 55 | 120 | 29 | 2 | 145 | 163 | 2 400 | 3 700 | 1.69 | 
| 21311KW33C3 | 55 | 120 | 29 | 2 | 145 | 163 | 2 400 | 3 700 | 1.69 | 
| 21311W33C3 | 55 | 120 | 29 | 2 | 145 | 163 | 2 400 | 3 700 | 1.71 | 
| 21312 | 60 | 130 | 31 | 2.1 | 167 | 191 | 2 200 | 3 400 | 2.1 | 
| 21312K | 60 | 130 | 31 | 2.1 | 167 | 191 | 2 200 | 3 400 | 2.07 | 
| 21312KW33C3 | 60 | 130 | 31 | 2.1 | 167 | 191 | 2 200 | 3 400 | 2.07 | 
| 21312W33C3 | 60 | 130 | 31 | 2.1 | 167 | 191 | 2 200 | 3 400 | 2.1 | 
| 21313 | 65 | 140 | 33 | 2.1 | 194 | 228 | 2 000 | 3 100 | 2.55 | 
| 21313K | 65 | 140 | 33 | 2.1 | 194 | 228 | 2 000 | 3 100 | 2.51 | 
| 21313KW33C3 | 65 | 140 | 33 | 2.1 | 194 | 228 | 2 000 | 3 100 | 2.51 | 
| 21313W33C3 | 65 | 140 | 33 | 2.1 | 194 | 228 | 2 000 | 3 100 | 2.55 | 
| 21314 | 70 | 150 | 35 | 2.1 | 220 | 262 | 1 900 | 2 900 | 3.18 | 
| 21314K | 70 | 150 | 35 | 2.1 | 220 | 262 | 1 900 | 2 900 | 3.14 | 
| 21314KW33C3 | 70 | 150 | 35 | 2.1 | 220 | 262 | 1 900 | 2 900 | 3.14 | 
| 21314W33C3 | 70 | 150 | 35 | 2.1 | 220 | 262 | 1 900 | 2 900 | 3.18 | 
| 21315 | 75 | 160 | 37 | 2.1 | 239 | 287 | 1 800 | 2 700 | 3.81 | 
| 21315K | 75 | 160 | 37 | 2.1 | 239 | 287 | 1 800 | 2 700 | 3.76 | 

 
				










 
							 
							 
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